Who Defines Beauty Research Paper Example | Topics and Well Written Essays - 1500 words - 1

Who Defines Beauty - Research Paper Example According to Newman, goodness as the moral equation of beauty were also used by philosophers (1) while others described beauty according to the modern definition of the dictionary which expresses beauty as â€Å"qualities in a person or thing that gives pleasure to the senses or pleasurably exalts the mind or spirit.† (Merriam-Webster). The contemporary understanding of beauty is subjective or that any standard of beauty must be relative (Vacker) and is largely related to the maxim â€Å"beauty is in the eye of the beholder†. It explains that a thing of beauty for a person may not simply appear as equally pleasing to another. Nature - Biological and EvolutionarySymmetry has been scientifically proven to be inherently attractive to the human eye (Feng). Biologists have long utilized symmetry - the extent to which a creature's right and left sides match - to gauge what is referred to as developmental stability (Cowley). The sense of attraction for symmetry is not only res erved for adults, infants were also found to demonstrate this trait as well. Infants have the innate ability to spend more time staring at pictures of symmetric individuals than they do at photos of asymmetric one (Feng). Scientists believe that preference for symmetry is linked with having a strong immune system. Thus, beauty is associated with more robust genes, increasing the chances that an individual’s offspring will survive (Feng). The idea and preference for beauty differs from culture to culture (Cowley). Aside from symmetry, males in western cultures.

Foucault Questions Essay Example for Free

Foucault Questions Essay What are the limitations? 2. What distinctions can be made between the ordering and controlling of leprosy and the plague? 3. What does Foucault mean by â€Å"rituals of exclusion† and â€Å"†disciplinary projects†? 4. How does the panoptic mechanism differ from a dungeon? What are the principal characteristics of each? What are the goals of each? 5. What importance does Foucault attribute to â€Å"visibility†? What role do visibility and invisibility play in panoptic structures of power? . Foucault states, â€Å"The plague-stricken town, the panoptic establishment – the differences are important. † What are those differences and how are they important? 7. In describing Panopticism, Foucault is meticulous in tracing the historical evolution of the panopticon as a disciplinary mechanism. What is his purpose in doing so? Why is he so careful? 8. Outline the major historical events Foucault cites. With what example(s) does Foucault begin? With what does he end? 9. What does Foucault mean when he says that disciplinary projects moved from the margins of society to the center? What is meant by â€Å"margin†? What is meant by â€Å"center†? What is the significance of this transition of discipline from the margins to the center? 10. What does Foucault mean when he says that societies of antiquity were â€Å"societies of spectacle† and modern societies are â€Å"societies of surveillance†? What are the differences? What historical events created such differences?

Comparing Trains and Planes as Means of Transportation Essay examples -

Comparing Trains and Planes as Means of Transportation From the dawn of time, man has followed his urge to travel; sometimes neglecting the enjoyment of the journey in pursuit of the destination. Although two of the favorable means of passenger transportation - the plane and the train - accomplish the task of arriving at a destination, there are distinct differences in their capacity for comfort, time, scenic value, and safety. To entice the weary traveler, accustomed and outraged by the rough, tiresome, and jolting rides on planes and trains, improvements have been made over the decades to pamper the passenger. Mechanical changes and physical changes enhance the traveling experience. Although airplane seats are space-efficient to the point of restricting movement, they are similar to the living room easy chair, reclining and cushy. At the push of a button, pillows and blankets are available. To distract, rather than to nourish, miniature bottles of liquor are served with plastic glasses. In comparison, traveling by train is similar to a luxurious hotel, in motion, with its ...

Night of the Long Knives

The Night of the Long Knives(The Blood Purge) Hitler had an abundance of power due to the enabling act that was granted to him by President Hindenburg. Even with all his power, Hitler still felt threatened by the SA leaders. This lead to the Night of the long Knives June 29th, 1934. This purge was only the beginning of his conquest to be the dictatorial power of Germany. What happened on the Night of the Long Knives? And why did Hitler arrange it. What happened during the Night of the Long Knives? This event saw the wiping out of he SA leaders and other people that angered Hitler. Hitler ordered his SS troops to arrest the leaders of the SA and political figures. Hitler assembled a fairly large group of SS and regular police, and went to the Hanselbauer Hotel in Bad Wiessee. Ernest Rohm and his followers were staying there. Upon arriving at the hotel, Hitler personally arrested Rohm and high ranking officers of the SA. Hitler then headed back to Munich where he addressed an assembled crowd of party members and SA members, saying â€Å"the worst treachery in world istory. † Hitler told the crowd that â€Å"undisciplined and disobedient characters and asocial or diseased elements† would be annihilated. When he arrived back in Berlin, he radioed to Goring saying the codeword â€Å"kolibri† to let loose the execution squads on more unsuspecting people. Hitler also used this purge to make a move on the conservatives he found unreliable. Himmler, Goring and Hitler himself ordered the SS against old enemies. Kurt von Schliecher George Strasser (angered Hitler by resigning from the party) and Gustav Ritter von Kahr former Bavarian state commissioner who brought down the Beer Hall Putsch in 1923) The reasons why this purge happened was because Hitler feared that someone would try and over throw him, Rohm and the SA had the power to do so if they wanted (Rohm was the leader of the SA, the SA had a force of over 3 million men). So Hitler did what he t hought needed to happen. He got rid of the problems and anyone else he thought had the power to overthrow him. The Night of the Long Knives did not just remove those who opposed or threatened Hitlers position. It also got the army to sign an oath that Hitler needed. The army saw the SA as a threat to their authority because the SA outnumbered them, also Rohm spoke about taking over the regular army by including them with the ranks of the SA. This alarmed the army leaders. Hitler then made a pact with the army. If Rohm and the other SA leaders were removed then the army would be in control of the SA. However for that to occur the army had to sign an oath of loyalty to Hitler. Hitler told the public of this gruesome even on July 13th 1934. Hitler told the Reichstag. in this hour I was responsible for the fate of the German people, and I thereby I became the supreme judge of the German people. I gave order to shoot the ringleaders in this treason, and I further gave the order to cauterize down to the raw flesh the ulcers if this poisoning of the wells in our domestic life. Let the nation know that its existence- which depends on its internal order and security- cannot be threatened with impun ity by anyone! And let it be known for all the time to come that if anyone raises his hand to strike the state, then certain death is his lot† – Adolf Hitler, July 13th, 1934. he aftermath of the Night of the Long Knives aka â€Å"The Blood Purge. † Hitler got away with his purge because Hitler had the cabinet approve a measure on July 3rd that declared â€Å"The measures taken on June 30th to July 1st and 2 to suppress treasonous assaults are legal as acts of self-defense by the State. † A new law was added which was signed by Hitler, Franz Gurtner, and the Minister of the interior Wilhelm Frick. The new law legalized the murderes committed during the purge under treason. The army applauded the Night of the Long Knives nd President Hidenburg expressed his â€Å"profoundly felt gratitude† and he congratulated Hitler. Hitler rewarded Himmler by giving him control of the SS. Himmler would now only answer to Hitler. Also Hitler game himself President a s well as Chancellor, a new role called ‘Der Fuehrer'. He also made himself head of the armed forces, who swore an oath of loyalty. Adolf Hitler was now in complete control after President Hindenburgs death in August. The Night of the Long Knives occurred on June 29th 1934. Many high ranking officers of he SA were killed, including several of Hitlers partners executed in the purge. After the purge Hitler created another Nazi organization called the Schutzstaffel or also known as the SS. The SS became the most feared arm in Nazi Germany. The Night of the Long Knives was an action to get rid of those disagreeing with Hitler or getting in the way of his rise to power. He was scared that someone would attempt to overthrow him. The result was the rise of an even greater/ stronger paramilitary for the Nazis.

Library System Essay

Introduction Library System is a tool addressed to schools or libraries and supposed to help them track the borrowed books. Although you need to first set up a collection of books and people that may borrow the items, School Library System is pretty easy to use, featuring a very intuitive and straightforward interface. Protected by a username and password, so only authorized access is allowed, School Library System lets you add as many entries as you want, be they users or books. Plus, it sends reminders for unreturned books, so it’s pretty easy to track every single borrowed item. Since it’s supposed to work with large databases of books, School Library System also integrates backup and restore database features, just to make sure you’re on the safe side all the time. While the application is pretty easy to use and relies on very intuitive features, it doesn’t feature a help file, so users who may get themselves in trouble are left with no other option that to search the Internet for an answer. Futuristic in the future Library Management System (LMS), is an enterprise resource planning system for a library, used  to track items owned, orders made, bills paid, and patrons who have borrowed. LMS usually comprises a relational database, software to interact with that database, and two graphical user interfaces (one for clients, one for faculty). Most LMS separate software functions into discrete programs called modules, each of them integrated with a unified interface. Examples of modules might include: ?acquisitions (ordering, receiving, and invoicing materials) ?cataloging (classifying and indexing materials) ?circulation (lending materials to patrons and receiving them back)? Serials (tracking magazine and newspaper holdings) ?the OPAC (public interface for users) Each client and item has a unique ID in the database that allows the LMS to track its activity. User Requirements Definition 1. Login and verifies Students to give permission to the student to search books which they like to borrow 2. For librarian it has the Administrative privileges such as check books , Login to Library, managed books , authorized Students. 3. It has a Search Option anywhere you are as long as you have the program because of its integration to Web Hosting Server. 4. The task of the student is to log in to their respective student account and if they search they can easily find the books because of mapping Feature. 5. The task of the librarian is to acquisition, cataloging, circulation, serials. Chapter 2 Methodology Process Model Faculty User Interface System – lets the administrator to modify book information and logs borrowed and returned books directly from Database. By this they can easily monitor Books that are going out and going in. Student User Interface System – Allows Students to login for security purposes because students  might steal a book and never track them. Without the verification a student can’t borrow a book from the Administrator. Search System – By this system you can search books from a specific database i. e Northwestern University. Why did we use Evolutionary Process model? Because this type of system is expanding due to its continuous gathering an adding of different kinds of book from time to time. The thing that made this system unique from others it has an improved querying system in the of a simple search box.

CFA Scholarship Essay †Example

CFA Scholarship Essay – Example Free Online Research Papers CFA Scholarship Essay Example I believe I am an excellent candidate for the CFA designation scholarship. My plans for the rest of my year at UW-L is to complete my finance and accounting classes for my major and minor, and to take the FIN 400 course. I am very excited to be taking the Advanced Financial Analysis course because I feel the course will complete my major and combine all my finance classes into one review course, which will prepare me for the most important test of my career. I am fully prepared to study the recommend 250 hours for the first exam and for following two rigorous exams in the next 3 years to come. My ambitions after graduating from college are to go into the corporate world as a financial analyst. During the past summer, I had a financial analyst internship at Kohler Co., where I learned a lot about the financial world from a corporate level and realized I could have a very successful, rewarding career in this area of finance. Having the CFA will grant my employer the security and confidence in knowing I have knowledge, integrity and professionalism of someone you can trust with your financial information and most personal details. The CFA will provide me with a broad range of investment knowledge and high ethical standards of which will provide my future employer with a well-rounded individual. In working towards my CFA, I will not only learn and apply finance but economics, accounting and basic business management. I also plan to expand on my financial analyst real-life experiences and relate them to what have studied for the CFA (and vise-versa), so I can apply my education in a meaningful manner. I hope while I am studying for all three exams of the CFA I will gain knowledge that will lead me to promotions. In the near future I would like to be a manager or controller of business/financial analyst or capital planning. The CFA will provide me with wisdom, standards and ethics to be an even better manager and leader. I already have powerful leadership qualities, most of which I have learned through the many positions I have held in my sorority Alpha Xi Delta, but I would like to expand on those qualities to become more successful in my career. Not only will the CFA help me with my career, but also to help me grow as a person, learning self-discipline and guidance. The CFA will also help me keep on track with my future profession, and will keep concepts and ideas fresh in my mind and will make them easier to recall and use when needed. Thank you for taking the time to review my application. Any financial help or program fees will be greatly appreciated and put to good use. Regards, Student Name Student Address Research Papers on CFA Scholarship Essay Standardized TestingMoral and Ethical Issues in Hiring New EmployeesIncorporating Risk and Uncertainty Factor in CapitalAnalysis of Ebay Expanding into AsiaOpen Architechture a white paperThe Project Managment Office SystemMarketing of Lifeboy Soap A Unilever ProductTwilight of the UAWPETSTEL analysis of IndiaResearch Process Part One

Where in the World Classroom Icebreaker

'Where in the World' Classroom Icebreaker Technology and transportation in the modern world have given us the opportunity to learn so much more, often first hand, about the rest of the world. If you haven’t had the privilege of global traveling, you may have experienced the thrill of conversing with foreigners online or working side-by-side with them in your industry. The world becomes a smaller place the more we get to know each other. When you have a gathering of people from various countries, this icebreaker is a breeze, but it’s also fun when participants are all from the same place and know each other well. Everyone is capable of dreams that cross borders. To make this icebreaker kinetic, require that one of the three clues be a physical motion. For example, skiing, golfing, painting, fishing, etc. Basic information about the Where in the World Icebreaker: Ideal Size: Up to 30. Divide larger groups.Use For: Introductions in the classroom or at a meeting, especially when you have an international group of participants or an international topic to discuss.Time Needed: 30 minutes, depending on the size of the group. Instructions Give people a minute or two to think of three clues that describe, but don’t give away, either the country they are from (if different from the one you’re in) or their favorite foreign place they have visited or dream of visiting. When ready, each person gives their name and their three clues, and the rest of the group guesses where in the world they are describing. Give each person a minute or two to explain what they like best about their favorite place in the world. Start with yourself so they have an example. If you want students on their feet and moving, require that one clue be a physical motion like swimming, hiking, golfing, etc. This clue may include verbal help or not. You choose. For example: Hi, my name is Deb. One of my favorite places in the world is tropical, has a beautiful body of water you can climb, and is near a popular cruise port (I am physically imitating climbing). After guessing is finished: One of my favorite places in the world is Dunn’s River Falls near Ocho Rios, Jamaica. We stopped there on a Caribbean cruise and had the marvelous opportunity of climbing the falls. You start at sea level and can climb 600 feet gradually up the river, swimming in pools, standing under small falls, sliding down smooth rocks. It’s a beautiful and fantastic experience. Debriefing Your Students Debrief by asking for reactions from the group and asking if anybody has a question for another participant. You will have listened carefully to the introductions. If somebody has chosen a place related to your topic, use that place as a transition to your first lecture or activity.

What You Need to Know About the Black Death

What You Need to Know About the Black Death When historians refer to The Black Death, they mean the specific outbreak of plague that took place in Europe in the mid-14th century. It was not the first time plague had come to Europe, nor would it be the last. A deadly epidemic known as the Sixth-Century Plague  or Justinians plague  struck Constantinople and parts of southern Europe 800 years earlier, but it did not spread as far as the Black Death, nor did it take nearly as many lives. The Black Death came to Europe in October of 1347, spread swiftly through most of Europe by the end of 1349 and on to Scandinavia and Russia in the 1350s. It returned several times throughout the rest of the century. The Black Death was also known as  The Black Plague, the Great Mortality, and the Pestilence. The Disease Traditionally, the disease that most scholars believe struck Europe was Plague. Best known as the bubonic plague for the buboes (lumps) that formed on the victims bodies, Plague also took pneumonic and septicemic forms. Other diseases have been postulated by scientists, and some scholars believe that there was a pandemic of several diseases, but currently, the theory of Plague (in all its varieties) still holds among most historians.​ Where the Black Death Started Thus far, no one has been able to identify the point of origin of the Black Death with any precision.  It started somewhere in Asia, possibly in China, possibly at Lake Issyk-Kul in central Asia. How the Black Death Spread Through these methods of contagion, the Black Death spread via trade routes  from Asia to Italy, and thence throughout Europe: Bubonic Plague was spread by the fleas who lived on plague-infected rats, and such rats were ubiquitous on trading ships.Pneumonic Plague could spread with a sneeze and jump from person to person with terrifying speed.Septicemic Plague spread through contact with open sores. Death Tolls It is estimated that approximately 20 million people died in Europe from the Black Death. This is about one-third of the population. Many cities lost more than 40% of their residents, Paris lost half, and Venice, Hamburg, and Bremen are estimated to have lost at least 60% of their populations. Contemporary Beliefs About the Plague In the Middle Ages, the most common assumption was that God was punishing mankind for its sins. There were also those who believed in demonic dogs, and in Scandinavia, the superstition of the Pest Maiden was popular. Some people accused the Jews of poisoning wells; the result was horrific persecution of Jews that the papacy was hard-put to stop. Scholars attempted a more scientific view, but they were hampered by the fact that the microscope wouldnt be invented for several centuries. The University  of Paris conducted a study, the Paris Consilium, which, after serious investigation, ascribed the plague to a combination of earthquakes and astrological forces. How People Reacted to the Black Death Fear and hysteria were the most common reactions. People fled the cities in panic, abandoning their families. Noble acts by doctors and priests were overshadowed by those who refused to treat their patients or give last rites to plague victims. Convinced the end was near, some sank into wild debauchery; others prayed for salvation. Flagellants went from one town to another, parading through the streets and whipping themselves to demonstrate their penitence. Effects of the Black Death on Europe Social Effects The marriage rate rose sharply- in part due to predatory men marrying rich orphans and widows.The birth rate also rose, though recurrences of the plague kept population levels reduced.There were notable increases in violence and debauchery.Upward mobility took place on a small scale. Economic Effects A surplus of goods resulted in overspending; it was swiftly followed by a shortage of goods and inflation.A shortage of laborers meant they were able to charge higher prices; the government tried to limit these fees to pre-plague rates. Effects on the Church The Church lost many people, but the institution became richer through bequests. It also grew richer by charging more money for its services, such as saying mass for the dead.Less-educated priests were shuffled into jobs where more learned men had died.The failure of the clergy to help the suffering during the plague, combined with its obvious wealth and the incompetence of its priests, caused resentment among the people. Critics grew vocal, and the seeds of the Reformation were sown.

Learning Organization and Human Motivation Essay - 1

Learning Organization and Human Motivation - Essay Example By focusing on the performance measures, the companies have received knowledge of the processes. If the knowledge is used properly, improved goods and services and lower costs of rejection will be attained. Process improvement has often been accomplished through an integrated approach, using problem-solving techniques such as total quality management (TQM) tools and classic statistical analysis (Wiklund & Sandvik Wiklund, 1999a: pp. 101- 115, b: pp. 434- 443). Aspects related to the knowledge transformation where important approaches such as training and practice in the personal working situation have been discussed frequently (Wiklund & Sandvik Wiklund, 1999a: pp. 101- 115). Another aspect is how the company should change and act when disseminating methods and support quality improvement, where the structure of the company, strategies and education performance and content are considered essential factors for a successful implementation. An interesting question is how an improvement programme should be designed to support changed attitudes and result in changed behaviour and learning, which is a central necessity, among others, in such an implementation process. Six Sigma as an improvement programme has received considerable attention in the literature during the last few years (e.g. Bergman & Kroslid, 2000: pp. 260- 266; Breyfogle, 1999: p. 21-42; Harry, 1994: pp. 112-131, 1998: pp. 60- 64; Hellsten & Klefsjo , 2000: pp. 238- 244, Hoerl, 1998: pp. 35- 42; Klefsjo et al., 2001: pp. 31-35). Motorola launched Six Sigma in 1987 and was also the first to win the Malcolm Baldrige National Quality Award (MBNQA) in 1988. Today, companies like Motorola, Texas Instruments, ABB, Allied Signal, General Electric (GE) and 3M have been striving to achieve Six Sigma quality, and as a result they have become known internationally as best-in-class companies (e.g. Fuller, 2000: pp. 311- 315; Sanders & Hild, 2000: , pp. 303-309). Although many success stories have been reported in the literature, the ultimate objective is to understand Six Sigma and place it in an appropriate context to reap the benefits. Well-known statistician and quality consultant Ron Snee (2000: pp. ix- xiv) has indicated that Six Sigma should be a strategic approach that works across all processes, products, company functions and industries'' and Bajaria (1999: n/a, 2000: pp. 15- 17) reinforces this idea as a nuts and bolts' point counterpoint discussion of each of 14 key Six Sigma ideas. In these papers by Bajaria an examination is made of the heads and tails of the Six Sigma concept and some warnings are also given against limitations and misuses. The technical aim of Six Sigma is to keep the distance between the process average and the nearest tolerance limit to at least six standard deviations and thus reduce variability in products and processes in order to prevent defects. The original motivation for Six Sigma at Motorola was centred on manufacturing improvement, and this was also how Six Sigma was introduced in many other organizations. To meet this aim, Six Sigma methods have been based heavily on the use of statistical methods to understand product and process performance.

Concealed Weapons Essay Example | Topics and Well Written Essays - 750 words

Concealed Weapons - Essay Example Accordingly, the following arguments will present a case for why gun control and stricter gun laws are required; while at the same time presenting the case for why stricter gun laws will not necessarily improve the situation that has been thus far evidenced throughout society; relating to gun crimes and/or mass shootings. An argument that is used against the ability of an individual to use a bear a concealed weapons has to do with the actual wording of the Second Amendment. As such, the Second Amendment stipultes that guns are allowable as a means of maintining a militia; yet, the fact of the matter is that almost all individuals in society that wish to use the Second Amendment to justify guns and/or concealed weapons are in fact not a member of any state regulated militia. Instead, they are private citizens. This creates a unique problem as these individuals were never intended to own and carry weapons outside the constraints of what the Second Amendment stipulated they should be used for. According to a 1997 study of National Crime Victimization Survey data, "robbery and assault victims who used a gun to resist were less likely to be attacked or to suffer an injury than those who used any other methods of self-protection or those who did not resist at all Firstly, it is necessary to close the background check loopholes in order to keep guns out of dangerous hands. In general, most gun owners buy their guns legally and use them safely, whether for self-defense, hunting, or sport shooting. Yet too often, irresponsible and dangerous individuals have been able to easily get their hands on firearms. We must strengthen our efforts to keep guns from falling into wrong hands. Due to the fact that strict gun control laws have failed to have a positive affect in any of the jurisidictions they have been applied within, the reader is left to assume that creating an even stricter level of

Motivation Essay Example | Topics and Well Written Essays - 2000 words - 3

Motivation - Essay Example GE as a company has been focused on HR and committed to its employees in many ways which go beyond the norms of reward management as compared to other companies. It has an innovative way of rewarding employees who uphold the values considered important by GE and this has given the company the respect and admiration of many business gurus (Demos, 2006). While the rewards for working at GE are many, the reward selection process uses a ranking system which punishes those employees who do not make the reward cut by termination. This has also caused some controversy as it can be seen as negative to the concepts of motivation but the overall effect of GE’s motivation techniques has been very positive and is well regarded by industry experts. Even though management and the rules applicable to motivating people change day to day as discoveries are made in the field (Beardwell &Holden, 1997). As early as the 1930s, GE was focused motivation for labour and had created profit based employee bonuses as well as pension plans. It is difficult to find companies which have innovated to such an extent that their name becomes associated with certain management practices. The vast majority of organizations will fade into history without establishing any leadership in management innovations but GE holds the unique position of not only having an established name, they have been the leaders in employee motivation for the better part of their existence (Colvin, 2006). The CEO of Ogilvy & Mather, Shelly Lazarus has been on the GE board for the past five years. She says that the process of rewarding employees begins as soon as the recruitment process is started. Even being offered a position at GE is a cause for celebration for a person since GE develops leaders who are groomed to take up positions at the head of the company (Colvin, 2006). I agree with this concept and the idea of evaluating employees for rewards as soon as they are recruited goes a long way towards

Explain what it means to be a learning orgaization Essay

Explain what it means to be a learning orgaization - Essay Example The need for creating work systems that keep changing in line with market demands often mean that businesses have to keep learning how to develop effective strategies for developing and consolidating their competitive advantages. This development has led to the growth of learning organisations, which aim at ensuring their staff is always abreast of the changing market conditions. This paper examines the different operations that happen in learning organisations and how it helps to build their competitive advantages. According to Wyse (2013), a learning organisation can be described as the company or business organisation that creates and facilitates learning opportunities for its staff and constantly transforms itself. In most instances, learning organisations often emerge because of the many pressures that face modern organisations, enabling them to remain being competitive in the dynamic business environment. Wise (2013) explains that by keeping to continuous learning, these organisations create competitive advantages that are sometimes unmatched by their rivals. According to Fairclough (2008), the increasing competition in most industries prompts the need to have learning organisations. In this regard, many businesses going global have been allocating huge budgets towards research and development, which have been thought as being essential in enabling these business organisations to learn some different approaches towards creating and enhancing their competitive advantages (Fairclough 2008). Market research is an important activity that enables businesses to keep changing their marketing operations so that they can keep increasing their market share. The need for learning organisation in modern times cannot be underestimated. This is because; technological advancements have been influencing most business practices. However, while technology is being advocated for most business operations, the need to know and develop the right technologies for

Individual Data Analysis Report Assignment Example | Topics and Well Written Essays - 3000 words

Individual Data Analysis Report - Assignment Example Although he has enough knowledge needed to start such an upscale restaurant, he is unsure about the demand for such a restaurant in the city. The city had a population of nearly 500,000 but he could not provide any assurance regarding the taste or the income which would generate the demand for his restaurant. In such a situation, Michael requires to collect some additional information, on the basis of which he will succeed in promoting his restaurant properly and make the design, choices and price as per the preferable choice of the customers. In this context, the project aims to answer the questions raised by Michael and suggest him the most suitable way that he should choose to make his new business intervention profitable. The questions are as follows: Is there sufficient demand for such an upscale restaurant in the city? How much price are the patrons or the potential customers willing to pay? What should be the operating and design characteristics of the store? Where should the restaurant be located in the city? What should be the promotional strategy that the organization should follow? In order to find the answers to these questions, the study intends to frame certain hypotheses and find the answers to the questions by accepting or rejecting those. The study also uses descriptive analysis and frequencies to facilitate the process of finding the answers to the questions. Finally, the paper will be providing the necessary recommendations to Michael. Preliminary Analysis In the preliminary analysis, descriptive analysis and analysis using the frequencies is done and it is focused on finding answers to the questions raised by Michael. Frequencies of categorical variable The frequencies of the categorical variable when performed, it firstly found that the people of the metropolitan city where Michael is intending to open his business, about 100 percent of the people do eat in this type of upscale restaurant at least once in every two weeks. The analysis also revealed that maximum people is seen to pay $110 towards their meal in the restaurant for each month, which is unlike the expectation of Michael. When the survey participants were asked for their opinion on the average price charged for an evening meal entree, they are found to spend $16 for evening meal entree itself (See Appendix I). The analysis shows that about 96.3 percent of the respondents watch radio. Among those 96.3 percent, maximum of the respondents are found to be listening to rock music. The next higher percent listens to news or the talk shows. Among the participants of the survey, about 89 percent of the respondents are found to be the viewers of the local news channel. Out of these respondents, maximum percent is the viewers of 10:00 news. Among the 94.5 percent of the respondents who are the readers of newspaper, a majority of the respondents are more interested in the local news. Therefore, the overall analysis reveals that a majority of the sample who participate d in the study are interested in newspaper and radio as their most preferable media which they listen to often. The least preferred one is television. Thus, it can be suggested that among these three, Michael can choose

Changes in market power Research Paper Example | Topics and Well Written Essays - 250 words

Changes in market power - Research Paper Example Hence, despite the decreasing values of hotel prices, the market power can still be strengthened through the use of advertising strategy (Tung et al., 2010). The market power of hotel industries has gained an incremental value especially when hotel management lowered down their room rates. Celen and Thomas (2009) implicated that the changes of the market power within hotel industries are increasing towards a better profit because lowered priced rooms are mostly booked and occupied. In addition, Eden (1990) and Dana (1999) explicated that hotel industries can gain a change in market power when the distribution of room rates is equal and lowered to an affordable price. Consequently, market power is important within hotel industries in order to cope up with the increasing industrial competition (as cited in Celen & Thomas, 2009). Accordingly, the market power is determined through the market structure of the hotel industry, in which this will influence the changes of the market power held by the particular firm. Moreover, the vertical integration can benefit the market power of hotel industries and be able to manage their services despite increasing competition. Hence, the market power depends on how the hotel industries market their low priced rooms in order to sustain and regulate their market structure (Celen & Thomas, 2009; Tung et al., 2010). Tung, G.-S., Lin, C.-Y., & Wang, C.-Y. (2010). The market structure, conduct and performance paradigm re-applied to the international tourist hotel industry. African Journal of Business Management, 4 (6),

Individual Data Analysis Report Assignment Example | Topics and Well Written Essays - 3000 words

Individual Data Analysis Report - Assignment Example Although he has enough knowledge needed to start such an upscale restaurant, he is unsure about the demand for such a restaurant in the city. The city had a population of nearly 500,000 but he could not provide any assurance regarding the taste or the income which would generate the demand for his restaurant. In such a situation, Michael requires to collect some additional information, on the basis of which he will succeed in promoting his restaurant properly and make the design, choices and price as per the preferable choice of the customers. In this context, the project aims to answer the questions raised by Michael and suggest him the most suitable way that he should choose to make his new business intervention profitable. The questions are as follows: Is there sufficient demand for such an upscale restaurant in the city? How much price are the patrons or the potential customers willing to pay? What should be the operating and design characteristics of the store? Where should the restaurant be located in the city? What should be the promotional strategy that the organization should follow? In order to find the answers to these questions, the study intends to frame certain hypotheses and find the answers to the questions by accepting or rejecting those. The study also uses descriptive analysis and frequencies to facilitate the process of finding the answers to the questions. Finally, the paper will be providing the necessary recommendations to Michael. Preliminary Analysis In the preliminary analysis, descriptive analysis and analysis using the frequencies is done and it is focused on finding answers to the questions raised by Michael. Frequencies of categorical variable The frequencies of the categorical variable when performed, it firstly found that the people of the metropolitan city where Michael is intending to open his business, about 100 percent of the people do eat in this type of upscale restaurant at least once in every two weeks. The analysis also revealed that maximum people is seen to pay $110 towards their meal in the restaurant for each month, which is unlike the expectation of Michael. When the survey participants were asked for their opinion on the average price charged for an evening meal entree, they are found to spend $16 for evening meal entree itself (See Appendix I). The analysis shows that about 96.3 percent of the respondents watch radio. Among those 96.3 percent, maximum of the respondents are found to be listening to rock music. The next higher percent listens to news or the talk shows. Among the participants of the survey, about 89 percent of the respondents are found to be the viewers of the local news channel. Out of these respondents, maximum percent is the viewers of 10:00 news. Among the 94.5 percent of the respondents who are the readers of newspaper, a majority of the respondents are more interested in the local news. Therefore, the overall analysis reveals that a majority of the sample who participate d in the study are interested in newspaper and radio as their most preferable media which they listen to often. The least preferred one is television. Thus, it can be suggested that among these three, Michael can choose

Obesity is a disease Essay Example | Topics and Well Written Essays - 1500 words

Obesity is a disease - Essay Example With increased viewing of TV and computer today, the energy generated by the flight of the imagination keeps the physical responses from getting expressed. This increases aggression and lethargy in children as well as making them obese. This paper aims to accomplish an understanding about what hazards obesity brings with it. The paper argues that obesity is a disease both for children and for adults. Let’s first ponder upon the reasons why adults and children are getting more and more obese these days. The biggest reason is unhealthy food. People have got busier lives in this competitive world, so they have less time to spend in the grocery store buying cheap but healthy food and in the kitchen over lengthy cooking processes. Thus, they prefer looking for a quick and easy, already prepared, meal that they can grab at a nearby fast food corner. Fast food, also known as junk food, is increasingly becoming an all-American choice, both for adult and for children. When we compare expensive fast food with cheap healthy food, all nutritionists agree on the fact that healthy food is not only cheap but also gives the body all essential nutrients that it needs to stay healthy and active; while, junk food is not only expensive but also deprives the body of important nutrients, thus making people frail, fatigued, inactive, and obese because of empty calories. Another problem is the u se of exaggerated statements and images. For example, when an advertisement says: â€Å"XYZ Fried Chicken, the tastiest and healthiest meal you ever ate!†, it means a lot for children as they are going to believe that the junk food is the healthiest food in the world. Hence, they consume unhealthy food and become obese, which leads to many problems in their later lives such as high blood pressure, diabetes, lethargy, increased cholesterol, and heart diseases. Han, Lawlor and Kimm (2010, p. 1737-1748) assert that disastrous impacts of childhood obesity include type 2 diabetes and

Global Geographical Features Essay Example for Free

Global Geographical Features Essay Throughout global history civilizations have been developed and destroyed. This is due to geographical features surrounding the nation or region. The geographical features can benefit a region, but it may also be the source of a catastrophic event. These geographical features include mountains, oceans, and volcanoes and so on. A geographical feature that has had both positive and negative effects on a nation or region would be ocean. An ocean like the Pacific Ocean can be able to provide a region with seafood to help a civilization developed with a surplus of food. An ocean could also allow a region to create a trade route between other regions, this can be proven true because the Atlantic Ocean was used throughout history as a major trade route from Europe to North America. A negative effect of an ocean would be that a nation can be more susceptible to tsunamis. For example eastern Asia could be more easily open to this because there are a lot of archipelagoes that are surrounded by a lot of water. This would destroy all of the land close to the ocean, which would leave you without shelter and crops. This would eventually lead to starvation which may cause people to migrate over to a safer place. Geographical features have been part of history, and have made the world what it is today. These features could even provide protection for a civilization that is trying to develop. This is way before a civilization actually settles they make sure of how they will use their new surroundings.

Alleviating Illness Naturally :: Biology Essays Research Papers

Alleviating Illness Naturally Presently there is a general trend to treat mild illnesses naturally and to avoid strong allopathic medications. People are embracing herbal remedies which are less expensive, readily available, and have many less side effects. Echinacea, considered to have a remarkable immunostimulating activity, is one of the most widely used phytomedicinals for treatment of the common cold, flu, and other upper respiratory tract infections (1). It is readily available in liquid form, capsules, and in tea. You can purchase it over the counter at the drugstore, supermarket, and even at Kmart. I, like many others, have tried echinacea to treat the common cold and flu, but it never seemed to make me feel better. Am I the exception to benefiting from this common herbal remedy, or has the American public at large been conned into believing this plant will prevent them from getting sick? As of yet, there is no known medication proven to cure the common cold or flu. Both are upper respiratory tract infections caused by viruses and thus treatment in the form of antibiotics will not work. Medications referred by doctors, such as antihistamines, cough suppressants, and decongestants, treat the symptoms of the illness but not the underlying cause. Although echinacea is similar to other treatments in that it does not attempt to cure the illness, it distinguishes itself by directly stimulating the immune system. This novel approach for combating the cold or flu seems to work as well as the more common medical treatments (2). The herbal remedy echinacea is a family of nine flowering plants belonging to the Asteraceae (Sunflower) family and indigenous to North America. Three species, E. purpurea, E. angustifolia, and E. pallida, are used in medicinal supplements. Liquid extracts of the leaves and above ground parts of E. purpurea and E. angustifolia are the products most commonly available in the United States, while E. pallida is encountered in Europe (2). The study of how herbs affect the immune system is a current hot topic in pharmacological research. Do herbs, like the echinacea plant, really strengthen our resistance and help us lead healthier lives? There appears to be a contradiction between the wisdom of centuries of observation and the scrutiny of scientific laboratory research. Echinacea was among the most popular herbs used by Native American Indians. Its popularity in treating colds, coughs, and infections continued and in the late nineteenth century echinacea became the best selling medicinal tincture in America (1).

The Piano Lesson Essay -- essays research papers

Defend Boy Willie’s Scheme for Buying Sutter’s Land.   Ã‚  Ã‚  Ã‚  Ã‚  In The Piano Lesson, written by August Wilson, Boy Willie devises a scheme for buying Sutter’s land. Boy Willie has one part of the money saved up. He will sell the watermelons for the second part. Then he will sell the piano for a third part. The only debating issue in Boy Willie’s scheme is the piano. Berniece does not want to sell the piano. This is the only reason for a defense in Boy Willie’s scheme. Therefore, I will defend Boy Willie’s issue of selling the piano and how that liberates him in reference to his scheme for buying Sutter’s land.   Ã‚  Ã‚  Ã‚  Ã‚  The first defense is the usage of the piano. In Wilson’s novel, Berniece never uses the piano, Boy Willie: â€Å" You can’t do nothing with that piano except sit up there and look at it†, Berniece, â€Å"That’s just what I’m gonna do† (p.50). The piano is a â€Å"sentimental value† (p.51) to Berniece. Her father died over the piano (p.42-46). Boy Willie argues even though the piano is of sentimental value, Berniece is not using it. He wants to sell it in order to buy land, seed, and workers, which will in turn produce a crop, and something will come out of that (p.51).   Ã‚  Ã‚  Ã‚  Ã‚  The second defense is that of equality. Boy Willie believes how a certain individual perceives himself determines what that individual really is in reality (p.92). He also believes that white men have one advantage over black men and that ... The Piano Lesson Essay -- essays research papers Defend Boy Willie’s Scheme for Buying Sutter’s Land.   Ã‚  Ã‚  Ã‚  Ã‚  In The Piano Lesson, written by August Wilson, Boy Willie devises a scheme for buying Sutter’s land. Boy Willie has one part of the money saved up. He will sell the watermelons for the second part. Then he will sell the piano for a third part. The only debating issue in Boy Willie’s scheme is the piano. Berniece does not want to sell the piano. This is the only reason for a defense in Boy Willie’s scheme. Therefore, I will defend Boy Willie’s issue of selling the piano and how that liberates him in reference to his scheme for buying Sutter’s land.   Ã‚  Ã‚  Ã‚  Ã‚  The first defense is the usage of the piano. In Wilson’s novel, Berniece never uses the piano, Boy Willie: â€Å" You can’t do nothing with that piano except sit up there and look at it†, Berniece, â€Å"That’s just what I’m gonna do† (p.50). The piano is a â€Å"sentimental value† (p.51) to Berniece. Her father died over the piano (p.42-46). Boy Willie argues even though the piano is of sentimental value, Berniece is not using it. He wants to sell it in order to buy land, seed, and workers, which will in turn produce a crop, and something will come out of that (p.51).   Ã‚  Ã‚  Ã‚  Ã‚  The second defense is that of equality. Boy Willie believes how a certain individual perceives himself determines what that individual really is in reality (p.92). He also believes that white men have one advantage over black men and that ...

Ezekias Is Considered One of the Finest Painters

Ezekias was an ancient Greek vase-painter and potter, who worked between approximately 550 BC – 525 BC at Athens. Ezekias worked mainly with a technique called black-figure; Ezekias is considered the most original and most detail-orientated painter and potter using the black-figure technique. To determine whether Ezekias was the best black-figure artist of all time, we have to first consider the other black figure artists that are among the best, and compare the work of Ezekias to them.From this, one can then determine an opinion over whether or not Ezekias was the best, or just among the best. Other fine black-figure artists include the Amasis Painter, Sophilos, the Gorgon Painter and Kleitias. Ezekias mainly illustrates historical writings and shockingly realistic interpretations of Athenian life. The styles of the vases appears noticeably different from eight century BC Geometric art featuring abstract motifs and instead show human portrayals that appear to emerge from the painting.A painter of heroes, Ezekias demonstrates his careful attention to detail and insight into Greek mythology with his most famous work: the amphora vase at the Vatican showing Achilles and Ajax playing a dice game. Unlike earlier Athenian black-figure vases of Kleitias the surface of the vase is not divided into horizontal bands; rather, monumental figures are shown in profile view in a single large framed panel. When comparing Ezekias’s amphora to other works of art of the period, it is clear that the artist is working towards finding a freer world.Where there was rigidity in the forms, there is now a mix of sternness and charm. He appears much less interested in violent action than previous and focuses more in soft deliberate movements and small though not insignificant activities that last for some time and reflect a realistic view of Athenian life. The details and decorations of the clothes on the amphora with Achilles and Ajax are engraved with particular care. Th is is evident in details such as the pattern on the heroes’ cloak, highlighted with delicate touches of white.The figural and ornamental motifs that are characteristic of the black-figure vase painting brilliantly stand out against the red clay background. The arch formed by the backs of the two warriors reflects the shape of the amphora. This shape is echoed throughout the piece, appearing again in the space between the heads and spears of the two men. Unlike some other painters of the time, Ezekias has planned his vase well and therefore had no problem in fitting his characters onto the ase without making them seem out of proportion, which several painters seemed to have a problem with, such as the Gorgon painter on the Dinos where some of the figures protrude into the frieze line. The Attic black-figure style appears to be well-developed, with figures being rendered in a mature archaic style much influenced by contemporary developments in sculpture from the Geometric and O rientalization period. Ezekias excels in painting and in finely engraved detail, and succeeds where others have failed, in endowing his figures with mood and emotion, as well as the capacity for action.

Lincoln’s House Divided Speech Essay

Through the spoils of war in 1848, and a $15 million payment, the U.S. acquired nearly half of Mexico’s territory. To some, Mexico had dumped its useless wasteland and the U.S. had been duped into paying for it. But to most, the acquisition of the Mexican territory was the culmination of Manifest Destiny–the fulfillment of the expansion across the North American continent, from the Atlantic to the Pacific, that was ordained by God. But did God intend for this territory to be slaveholding or free? Within two short years, California petitioned to become a state. Slaveholding or free? That question would propel the nation that had just become a continental power to the precipice of dissolution. It took the Compromise of 1850 to avert a disaster. The Compromise itself was made up several bills. Among them, California would be admitted as a free state. To pacify slave-state politicians upset about the imbalance, the Fugitive Slave Act was passed. It required Northern citizens to assist in the recovery of slaves escaping from the South. Kansas-Nebraska Act With the threat of dissolution addressed, a continental build-out could get underway. The country pined for a transcontinental railroad. The South wanted a route that ran far south, but the North insisted on a route in the center. Democratic Senator Stephen A. Douglas was committed to this central route and to the prerequisite organization of the territory of Nebraska. As chairman of the Senate Committee on Territories, Senator Douglas had the responsibility of sponsoring the necessary legislation. He had already been instrumental in bringing five states into the Union and had created five territories. He repeatedly tried to organize Nebraska, but sectional differences had made it impossible thus far. The Missouri Compromise, thirty years prior, had prohibited slavery north of the line of 36 º 30†², and all of the Nebraska territory was above that line. Yet Douglas’ 1854 legislation–though it used the same language under which Utah and New Mexico had become territories–made the proposed condition of slavery or freedom unclear. So the legislation was revised to appeal to the Southern Democrats, explicitly stating that the decision about slavery was â€Å"to be left to the decision of the people residing therein, through their appropriate representatives.† Essentially, â€Å"popular sovereignty† would rule the day and kill the slave restriction in the Missouri Compromise. Still, Democratic Senator Archibald Dixon of Kentucky didn’t think this pushed the Missouri Compromise far enough. Dixon proposed an amendment that specifically stated the Missouri Compromise restriction did not apply to the proposed Nebraska Territory, nor to any other territory of the United States. Douglas wanted to avoid a fight and begged Dixon to withdraw his amendment, but Dixon refused. So Douglas supported the Kansas-Nebraska bill–now modified to propose two territories from the land rather than just one. The bill declared that the Missouri Compromise was inconsistent with the Compromise of 1850 and, hence, inoperative. With the backing of Democratic President Franklin Pierce, the bill had become law. Anti-Nebraskan Men Protests arose not only from free-soilers and abolitionists, but also from moderates–including moderate Democrats–who thought the slavery issue had been put into remission in 1850, and now found it eating away at the country again. Abraham Lincoln, retired from politics and happy in his law practice, was compelled to return to politics. As Paul M. Angle observed, Lincoln â€Å"believed that no man concerned for his country could remain silent.† Writing about the event later, in the third person, Lincoln said of himself, â€Å"His profession had almost superseded the thought of politics in his mind, when the repeal of the Missouri Compromise aroused him as he had never been before.† â€Å"It is as if two starving men had divided their only loaf,† Lincoln said of the Compromise of 1850. Having divided the loaf in a fair compromise, the South now wanted more: â€Å"The one had hastily swallowed his half, and then grabbed the other half just as he was putting it in his mouth!† Lincoln vehemently disagreed that â€Å"popular sovereignty†Ã¢â‚¬â€œthe choice of white men of European ancestry–should be allowed to cush the inalienable right to liberty the Declaration of Independence promised to all men, regardless of color. Like so many others, Lincoln thought that if slavery remained confined to the states in which it currently existed–protected by the Constitution, incidentally–it would eventually come to extinction and liberty would prevail. Now he found the monster of slavery more animated than ever before. Believing that Anti-Nebraska men must be elected to overturn the Kansas-Nebraska Act, Lincoln began canvassing the state of Illinois with the goal of re-electing Anti-Nebraskan Richard Yates. A new Abraham Lincoln was on the scene. Where in earlier years, Angle notes, Lincoln â€Å"had brought roars of laughter with raillery and personal jibes and had grappled for any small argumentative advantage,† Lincoln now â€Å"spoke from deep conviction that the nation was in danger–spoke without humor but with eloquence that he had never before achieved.† Claiming popular sovereignty to be a middle ground that couldn’t logically exist, he urged men to rally together and embrace liberty. â€Å"Let us re-adopt the Declaration of Independence, and with it, the practices, and policy, which harmonize with it. Let north and south–let all Americans–let all lovers of liberty everywhere–join in the great and good work. If we do this, we shall not only have saved the Union; but we shall have so saved it, as to make, and keep it, forever worthy of the saving.† To further the Anti-Nebraska cause, Lincoln allowed himself to be named as a candidate for the Illinois House of Representatives. On November 7, 1854, he was elected. But the senatorial term of James Shields, a Douglas supporter, was expiring and Lincoln was in a position to take the seat. To strengthen his candidacy, he declined to accept his seat in the Illinois House. In February 1855, the legislature met in joint session. On the first ballot, Lincoln was the leader with 44 votes, but could not win without the five votes received by Lyman Trumbull. Vote after vote, Trumbull’s supporters refused to budge. After the ninth ballot, Lincoln realized that unless he threw his support to Trumbull, a supporter of the Kansas-Nebraska Act would be elected. So he released his supporters to vote for Trumbull and Trumbull won the election. But Lincoln became the clear leader of the Anti-Nebraska men and was destined to run against Stephen A. Douglas when his term expired in 1858. Lincoln Opposes Douglas At the Republican State Convention of Illinois, on June 16, 1858, a resolution declaring â€Å"that Abraham is the first and only choice of the Republicans of Illinois for the United States Senate as the successor to Stephen A. Douglas† was carried unanimously. Acknowledging the nomination that evening, Lincoln delivered what became known as the House Divided Speech–the name being taken from the opening of the speech: â€Å"†¦We are now far into the fifth year since a policy was initiated with the avowed object and confident promise of putting an end to slavery agitation. Under the operation of that policy, that agitation has not only not ceased, but has constantly augmented. In my opinion, it will not cease until a crisis shall have been reached and passed. â€Å"A house divided against itself cannot stand.† I believe this government cannot endure permanently half slave and half free. I do not expect the Union to be dissolved–I do not expect the house to fall–but I do expect it will cease to be divided. It will become all one thing, or all the other. Either the opponents of slavery will arrest the further spread of it, and place it where the public mind shall rest in the belief that it is in the course of ultimate extinction; or its advocates will push it forward till it shall become alike lawful in all the States, old as well as new, North as well as South.† Lincoln borrowed the reference to the â€Å"house divided against itself,† from the Bible. In the twelfth chapter of Matthew, Jesus healed a man possessed with a devil. The Pharisees accused him of casting out devils by the power of Beelzebub, the prince of devils. To this, Jesus replied: â€Å"Every kingdom divided against itself is brought to desolation; and every city or house divided against itself shall not stand: And if Satan cast out Satan, he is divided against himself; how shall then his kingdom stand?† (Matthew 12:25) Lincoln made a public reference to this Biblical quotation as early as 1843, when he wrote a circular emphasizing the unity of the Whig party: â€Å"That ‘union is strength’ is a truth that has been known, illustrated, and declared in various ways and forms in all ages of the world. That great fabulist and philosopher, Aesop, illustrated it by his fable of the bundle of sticks; and he whose wisdom surpasses that of all philosophers has declared that ‘a house divided against itself cannot stand.'† The quotation was one which Lincoln obviously found useful. However, it was only after careful consideration that he included it in his speech at the state Republican Convention in 1858. Lincoln was well aware that the position could be inflammatory. In fact, most of Lincoln’s friends advised against it. Within weeks, Stephen Douglas would twist Lincoln’s meaning and paint him as a warmonger and radical abolitionist. But as part of Lincoln’s legacy, the House Divided Speech marked the point at which Abraham Lincoln, local politician, firmly planted his stake in the ground on a highly-charged national issue. ——————————————————————————– MR. PRESIDENT AND GENTLEMEN OF THE CONVENTION: If we could first know where we are, and whither we are tending, we could better judge what to do, and how to do it. We are now far into the fifth year since a policy was initiated, with the avowed object and confident promise, of putting an end to slavery agitation. Under the operation of that policy, that agitation has not only, not ceased, but has constantly augmented. In my opinion, it will not cease until a crisis shall have been reached and passed. â€Å"A house divided against itself cannot stand.† I believe this government cannot endure, permanently half slave and half free. I do not expect the Union to be dissolved–I do not expect the house to fall–but I do expect it will cease to be divided. It will become all one thing, or all the other. Either the opponents of slavery, will arrest the further spread of it, and place it where the public mind shall rest in the belief that it is in the course of ultimate extinction; or its advocates will push it forward, till it shall become alike lawful in all the States, old as well as new, North as well as South. Have we no tendency to the latter condition? Let any one who doubts, carefully contemplate that now almost complete legal combination–piece of machinery so to speak–compounded of the Nebraska doctrine, and the Dred Scott decision. Let him consider not only what work the machinery is adapted to do, and how well adapted; but also, let him study the history of its construction, and trace, if he can, or rather fail, if he can, to trace the evidences of design, and concert of action, among its chief architects, from the beginning. But, so far, Congress only, had acted; and an indorsement by the people, real or apparent, was indispensible, to save the point already gained, and give chance for more.

Sensitivity Analysis

Linear Programming Notes VII Sensitivity Analysis 1 Introduction When you use a mathematical model to describe reality you must make approximations. The world is more complicated than the kinds of optimization problems that we are able to solve. Linearity assumptions usually are signi? cant approximations. Another important approximation comes because you cannot be sure of the data that you put into the model. Your knowledge of the relevant technology may be imprecise, forcing you to approximate values in A, b, or c. Moreover, information may change.Sensitivity analysis is a systematic study of how sensitive (duh) solutions are to (small) changes in the data. The basic idea is to be able to give answers to questions of the form: 1. If the objective function changes, how does the solution change? 2. If resources available change, how does the solution change? 3. If a constraint is added to the problem, how does the solution change? One approach to these questions is to solve lots of l inear programming problems. For example, if you think that the price of your primary output will be between $100 and $120 per unit, you can solve twenty di? rent problems (one for each whole number between $100 and $120). 1 This method would work, but it is inelegant and (for large problems) would involve a large amount of computation time. (In fact, the computation time is cheap, and computing solutions to similar problems is a standard technique for studying sensitivity in practice. ) The approach that I will describe in these notes takes full advantage of the structure of LP programming problems and their solution. It turns out that you can often ? gure out what happens in â€Å"nearby† linear programming problems just by thinking and by examining the information provided by the simplex algorithm.In this section, I will describe the sensitivity analysis information provided in Excel computations. I will also try to give an intuition for the results. 2 Intuition and Overvie w Throughout these notes you should imagine that you must solve a linear programming problem, but then you want to see how the answer changes if the problem is changed. In every case, the results assume that only one thing about the problem changes. That is, in sensitivity analysis you evaluate what happens when only one parameter of the problem changes. 1 OK, there are really 21 problems, but who is counting? 1To ? x ideas, you may think about a particular LP, say the familiar example: max 2Ãâ€"1 subject to 3Ãâ€"1 x1 2x 1 + + + 4Ãâ€"2 x2 3Ãâ€"2 x2 + + + + 3x 3 x3 2x 3 3x 3 + + + x4 4x 4 3x 4 x4 x ? ? ? 12 7 10 0 We know that the solution to this problem is x0 = 42, x1 = 0; x2 = 10. 4; x3 = 0; x4 = . 4. 2. 1 Changing Objective Function Suppose that you solve an LP and then wish to solve another problem with the same constraints but a slightly di? erent objective function. (I will always make only one change in the problem at a time. So if I change the objective function, not onl y will I hold the constraints ? ed, but I will change only one coe cient in the objective function. ) When you change the objective function it turns out that there are two cases to consider. The ? rst case is the change in a non-basic variable (a variable that takes on the value zero in the solution). In the example, the relevant non-basic variables are x1 and x3 . What happens to your solution if the coe cient of a non-basic variable decreases? For example, suppose that the coe cient of x1 in the objective function above was reduced from 2 to 1 (so that the objective function is: max x1 + 4Ãâ€"2 + 3Ãâ€"3 + x4 ).What has happened is this: You have taken a variable that you didn’t want to use in the ? rst place (you set x1 = 0) and then made it less pro? table (lowered its coe cient in the objective function). You are still not going to use it. The solution does not change. Observation If you lower the objective function coe cient of a non-basic variable, then the solution does not change. What if you raise the coe cient? Intuitively, raising it just a little bit should not matter, but raising the coe cient a lot might induce you to change the value of x in a way that makes x1 > 0.So, for a non-basic variable, you should expect a solution to continue to be valid for a range of values for coe cients of nonbasic variables. The range should include all lower values for the coe cient and some higher values. If the coe cient increases enough (and putting the variable into the basis is feasible), then the solution changes. What happens to your solution if the coe cient of a basic variable (like x2 or x4 in the example) decreases? This situation di? ers from the previous one in that you are using the basis variable in the ? rst place. The change makes the variable contribute less to pro? . You should expect that a su ciently large reduction makes you want to change your solution (and lower the value the associated variable). For example, if the coe cient of x2 in the objective function in the example were 2 instead of 4 (so that the objective was max 2Ãâ€"1 +2Ãâ€"2 +3Ãâ€"3 + x4 ), 2 maybe you would want to set x2 = 0 instead of x2 = 10. 4. On the other hand, a small reduction in x2 ’s objective function coe cient would typically not cause you to change your solution. In contrast to the case of the non-basic variable, such a change will change the value of your objective function.You compute the value by plugging in x into the objective function, if x2 = 10. 4 and the coe cient of x2 goes down from 4 to 2, then the contribution of the x2 term to the value goes down from 41. 6 to 20. 8 (assuming that the solution remains the same). If the coe cient of a basic variable goes up, then your value goes up and you still want to use the variable, but if it goes up enough, you may want to adjust x so that it x2 is even possible. In many cases, this is possible by ? nding another basis (and therefore another solution).So, intuitively, t here should be a range of values of the coe cient of the objective function (a range that includes the original value) in which the solution of the problem does not change. Outside of this range, the solution will change (to lower the value of the basic variable for reductions and increase its value of increases in its objective function coe cient). The value of the problem always changes when you change the coe cient of a basic variable. 2. 2 Changing a Right-Hand Side Constant We discussed this topic when we talked about duality. I argued that dual prices capture the e? ct of a change in the amounts of available resources. When you changed the amount of resource in a non-binding constraint, then increases never changed your solution. Small decreases also did not change anything, but if you decreased the amount of resource enough to make the constraint binding, your solution could change. (Note the similarity between this analysis and the case of changing the coe cient of a non-bas ic variable in the objective function. Changes in the right-hand side of binding constraints always change the solution (the value of x must adjust to the new constraints).We saw earlier that the dual variable associated with the constraint measures how much the objective function will be in? uenced by the change. 2. 3 Adding a Constraint If you add a constraint to a problem, two things can happen. Your original solution satis? es the constraint or it doesn’t. If it does, then you are ? nished. If you had a solution before and the solution is still feasible for the new problem, then you must still have a solution. If the original solution does not satisfy the new constraint, then possibly the new problem is infeasible. If not, then there is another solution.The value must go down. (Adding a constraint makes the problem harder to satisfy, so you cannot possibly do better than before). If your original solution satis? es your new constraint, then you can do as well as before. I f not, then you will do worse. 2 2 There is a rare case in which originally your problem has multiple solutions, but only some of them satisfy the added constraint. In this case, which you need not worry about, 3 2. 4 Relationship to the Dual The objective function coe cients correspond to the right-hand side constants of resource constraints in the dual.The primal’s right-hand side constants correspond to objective function coe cients in the dual. Hence the exercise of changing the objective function’s coe cients is really the same as changing the resource constraints in the dual. It is extremely useful to become comfortable switching back and forth between primal and dual relationships. 3 Understanding Sensitivity Information Provided by Excel Excel permits you to create a sensitivity report with any solved LP. The report contains two tables, one associated with the variables and the other associated with the constraints.In reading these notes, keep the information i n the sensitivity tables associated with the ? rst simplex algorithm example nearby. 3. 1 Sensitivity Information on Changing (or Adjustable) Cells The top table in the sensitivity report refers to the variables in the problem. The ? rst column (Cell) tells you the location of the variable in your spreadsheet; the second column tells you its name (if you named the variable); the third column tells you the ? nal value; the fourth column is called the reduced cost; the ? fth column tells you the coe cient in the problem; the ? al two columns are labeled â€Å"allowable increase† and â€Å"allowable decrease. † Reduced cost, allowable increase, and allowable decrease are new terms. They need de? nitions. The allowable increases and decreases are easier. I will discuss them ? rst. The allowable increase is the amount by which you can increase the coe cient of the objective function without causing the optimal basis to change. The allowable decrease is the amount by which y ou can decrease the coe cient of the objective function without causing the optimal basis to change. Take the ? rst row of the table for the example. This row describes the variable x1 .The coe cient of x1 in the objective function is 2. The allowable increase is 9, the allowable decrease is â€Å"1. 00E+30,† which means 1030 , which really means 1. This means that provided that the coe cient of x1 in the objective function is less than 11 = 2 + 9 = original value + allowable increase, the basis does not change. Moreover, since x1 is a non-basic variable, when the basis stays the same, the value of the problem stays the same too. The information in this line con? rms the intuition provided earlier and adds something new. What is con? rmed is that if you lower the objective coe cient of a non-basic ariable, then your solution does not change. (This means that the allowable decrease will always be in? nite for a non-basic variable. ) The example also demonstrates your value wil l stay the same. 4 that increasing the coe cient of a non-basic variable may lead to a change in basis. In the example, if you increase the coe cient of x1 from 2 to anything greater than 9 (that is, if you add more than the allowable increase of 7 to the coe cient), then you change the solution. The sensitivity table does not tell you how the solution changes, but common sense suggests that x1 will take on a positive value.Notice that the line associated with the other non-basic variable of the example, x3 , is remarkably similar. The objective function coe cient is di? erent (3 rather than 2), but the allowable increase and decrease are the same as in the row for x1 . It is a coincidence that the allowable increases are the same. It is no coincidence that the allowable decrease is the same. We can conclude that the solution of the problem does not change as long as the coe cient of x3 in the objective function is less than or equal to 10. Consider now the basic variables. For x2 t he allowable increase is in? ite 9 while the allowable decrease is 2. 69 (it is 2 13 to be exact). This means that if the solution won’t change if you increase the coe cient of x2 , but it will change if you decrease the coe cient enough (that is, by more than 2. 7). The fact that your solution does not change no matter how much you increase x2 ’s coe cient means that there is no way to make x2 > 10. 4 and still satisfy the constraints of the problem. The fact that your solution does change when you increase x2 ’s coe cient by enough means that there is a feasible basis in which x2 takes on a value lower than 10. 4. You knew that. Examine the original basis for the problem. ) The range for x4 is di? erent. Line four of the sensitivity table says that the solution of the problem does not change provided that the coe cient of x4 in the objective function stays between 16 (allowable increase 15 plus objective function coe cient 1) and -4 (objective function coe cie nt minus allowable decrease). That is, if you make x4 su ciently more attractive, then your solution will change to permit you to use more x4 . If you make x4 su ciently less attractive the solution will also change. This time to use less x4 .Even when the solution of the problem does not change, when you change the coe cient of a basic variable the value of the problem will change. It will change in a predictable way. Speci? cally, you can use the table to tell you the solution of the LP when you take the original constraints and replace the original objective function by max 2Ãâ€"1 + 6Ãâ€"2 + 3Ãâ€"3 + x4 (that is, you change the coe cient of x2 from 4 to 6), then the solution to the problem remains the same. The value of the solution changes because now you multiply the 10. 4 units of x2 by 6 instead of 4. The objective function therefore goes up by 20. . The reduced cost of a variable is the smallest change in the objective function coe cient needed to arrive at a solution in which the variable takes on a positive value when you solve the problem. This is a mouthful. Fortunately, reduced costs are redundant information. The reduced cost is the negative of the allowable increase for non-basic variables (that is, if you change the coe cient of x1 by 7, then you arrive at a problem in which x1 takes on a positive 5 value in the solution). This is the same as saying that the allowable increase in the coe cient is 7.The reduced cost of a basic variable is always zero (because you need not change the objective function at all to make the variable positive). Neglecting rare cases in which a basis variable takes on the value 0 in a solution, you can ? gure out reduced costs from the other information in the table: If the ? nal value is positive, then the reduced cost is zero. If the ? nal value is zero, then the reduced cost is negative one times the allowable increase. Remarkably, the reduced cost of a variable is also the amount of slack in the dual constraint associated with the variable.With this interpretation, complementary slackness implies that if a variable that takes on a positive value in the solution, then its reduced cost is zero. 3. 2 Sensitivity Information on Constraints The second sensitivity table discusses the constraints. The cell column identi? es the location of the left-hand side of a constraint; the name column gives its name (if any); the ? nal value is the value of the left-hand side when you plug in the ? nal values for the variables; the shadow price is the dual variable associated with the constraint; the constraint R. H. ide is the right hand side of the constraint; allowable increase tells you by how much you can increase the right-hand side of the constraint without changing the basis; the allowable decrease tells you by how much you can decrease the right-hand side of the constraint without changing the basis. Complementary Slackness guarantees a relationship between the columns in the constraint table. The di? erence between the â€Å"Constraint Right-Hand Side† column and the â€Å"Final Value† column is the slack. (So, from the table, the slack for the three constraints is 0 (= 12 12), 37 (= 7 ( 30)), and 0 (= 10 10), respectively.We know from Complementary Slackness that if there is slack in the constraint then the associated dual variable is zero. Hence CS tells us that the second dual variable must be zero. Like the case of changes in the variables, you can ? gure out information on allowable changes from other information in the table. The allowable increase and decrease of non-binding variables can be computed knowing ? nal value and right-hand side constant. If a constraint is not binding, then adding more of the resource is not going to change your solution. Hence the allowable increase of a resource is in? ite for a non-binding constraint. (A nearly equivalent, and also true, statement is that the allowable increase of a resource is in? nite for a constraint w ith slack. ) In the example, this explains why the allowable increase of the second constraint is in? nite. One other quantity is also no surprise. The allowable decrease of a non-binding constraint is equal to the slack in the constraint. Hence the allowable decrease in the second constraint is 37. This means that if you decrease the right-hand side of the second constraint from its original value (7) to nything greater than 30 you do not change the optimal basis. In fact, the only part of the solution that changes when you do this is that the value of the slack variable for this constraint changes. In this paragraph, the point is only this: If you solve an LP and ? nd that a constraint is not binding, 6 then you can remove all of the unused (slack) portion of the resource associated with this constraint and not change the solution to the problem. The allowable increases and decreases for constraints that have no slack are more complicated. Consider the ? rst constraint.The informa tion in the table says that if the right-hand side of the ? rst constraint is between 10 (original value 12 minus allowable decrease 2) and in? nity, then the basis of the problem does not change. What these columns do not say is that the solution of the problem does change. Saying that the basis does not change means that the variables that were zero in the original solution continue to be zero in the new problem (with the right-hand side of the constraint changed). However, when the amount of available resource changes, necessarily the values of the other variables change. You can think about this in many ways. Go back to a standard example like the diet problem. If your diet provides exactly the right amount of Vitamin C, but then for some reason you learn that you need more Vitamin C. You will certainly change what you eat and (if you aren’t getting your Vitamin C through pills supplying pure Vitamin C) in order to do so you probably will need to change the composition of your diet – a little more of some foods and perhaps less of others. I am saying that (within the allowable range) you will not change the foods that you eat in positive amounts.That is, if you ate only spinach and oranges and bagels before, then you will only eat these things (but in di? erent quantities) after the change. Another thing that you can do is simply re-solve the LP with a di? erent right-hand side constant and compare the result. To ? nish the discussion, consider the third constraint in the example. The values for the allowable increase and allowable decrease guarantee that the basis that is optimal for the original problem (when the right-hand side of the third constraint is equal to 10) remains obtain provided that the right-hand side constant in this constraint is between -2. 333 and 12. Here is a way to think about this range. Suppose that your LP involves four production processes and uses three basic ingredients. Call the ingredients land, labor, and capi tal. The outputs vary use di? erent combinations of the ingredients. Maybe they are growing fruit (using lots of land and labor), cleaning bathrooms (using lots of labor), making cars (using lots of labor and and a bit of capital), and making computers (using lots of capital). For the initial speci? cation of available resources, you ? nd that your want to grow fruit and make cars.If you get an increase in the amount of capital, you may wish to shift into building computers instead of cars. If you experience a decrease in the amount of capital, you may wish to shift away from building cars and into cleaning bathrooms instead. As always when dealing with duality relationships, the the â€Å"Adjustable Cells† table and the â€Å"Constraints† table really provide the same information. Dual variables correspond to primal constraints. Primal variables correspond to dual constraints. Hence, the â€Å"Adjustable Cells† table tells you how sensitive primal variables and dual constraints are to changes in the primal objective function.The â€Å"Constraints† table tells you how sensitive dual variables and primal constraints are to changes in the dual objective function (right-hand side constants in the primal). 7 4 Example In this section I will present another formulation example and discuss the solution and sensitivity results. Imagine a furniture company that makes tables and chairs. A table requires 40 board feet of wood and a chair requires 30 board feet of wood. Wood costs $1 per board foot and 40,000 board feet of wood are available. It takes 2 hours of skilled labor to make an un? nished table or an un? ished chair. Three more hours of labor will turn an un? nished table into a ? nished table; two more hours of skilled labor will turn an un? nished chair into a ? nished chair. There are 6000 hours of skilled labor available. (Assume that you do not need to pay for this labor. ) The prices of output are given in the table below: Produ ct Un? nished Table Finished Table Un? nished Chair Finished Chair Price $70 $140 $60 $110 We want to formulate an LP that describes the production plans that the ? rm can use to maximize its pro? ts. The relevant variables are the number of ? nished and un? ished tables, I will call them TF and TU , and the number of ? nished and un? nished chairs, CF and CU . The revenue is (using the table): 70TU + 140TF + 60CU + 110CF , , while the cost is 40TU + 40TF + 30CU + 30CF (because lumber costs $1 per board foot). The constraints are: 1. 40TU + 40TF + 30CU + 30CF ? 40000. 2. 2TU + 5TF + 2CU + 4CF ? 6000. The ? rst constraint says that the amount of lumber used is no more than what is available. The second constraint states that the amount of labor used is no more than what is available. Excel ? nds the answer to the problem to be to construct only ? nished chairs (1333. 33 – I’m not sure what it means to make a sell 1 chair, but let’s assume 3 that this is possible) . The pro? t is $106,666. 67. Here are some sensitivity questions. 1. What would happen if the price of un? nished chairs went up? Currently they sell for $60. Because the allowable increase in the coe cient is $50, it would not be pro? table to produce them even if they sold for the same amount as ? nished chairs. If the price of un? nished chairs went down, then certainly you wouldn’t change your solution. 8 2. What would happen if the price of un? nished tables went up? Here something apparently absurd happens.The allowable increase is greater than 70. That is, even if you could sell un? nished tables for more than ? nished tables, you would not want to sell them. How could this be? The answer is that at current prices you don’t want to sell ? nished tables. Hence it is not enough to make un? nished tables more pro? table than ? nished tables, you must make them more pro? table than ? nished chairs. Doing so requires an even greater increase in the price. 3. What if the price of ? nished chairs fell to $100? This change would alter your production plan, since this would involve a $10 decrease in the price of ? ished chairs and the allowable decrease is only $5. In order to ? gure out what happens, you need to re-solve the problem. It turns out that the best thing to do is specialize in ? nished tables, producing 1000 and earning $100,000. Notice that if you continued with the old production plan your pro? t would be 70 ? 1333 1 = 93, 333 1 , so the change in production plan 3 3 was worth more than $6,000. 4. How would pro? t change if lumber supplies changed? The shadow price of the lumber constraint is $2. 67. The range of values for which the basis remains unchanged is 0 to 45,000.This means that if the lumber supply went up by 5000, then you would continue to specialize in ? nished chairs, and your pro? t would go up by $2. 67 ? 5000 = $10, 333. At this point you presumably run out of labor and want to reoptimize. If lumber supply decreased , then your pro? t would decrease, but you would still specialize in ? nished chairs. 5. How much would you be willing to pay an additional carpenter? Skilled labor is not worth anything to you. You are not using the labor than you have. Hence, you would pay nothing for additional workers. 6. Suppose that industrial regulations complicate the ? ishing process, so that it takes one extra hour per chair or table to turn an un? nished product into a ? nished one. How would this change your plans? You cannot read your answer o? the sensitivity table, but a bit of common sense tells you something. The change cannot make you better o?. On the other hand, to produce 1,333. 33 ? nished chairs you’ll need 1,333. 33 extra hours of labor. You do not have that available. So the change will change your pro? t. Using Excel, it turns out that it becomes optimal to specialize in ? nished tables, producing 1000 of them and earning $100,000. This problem di? ers from the original one because t he amount of labor to create a ? nished product increases by one unit. ) 7. The owner of the ? rm comes up with a design for a beautiful hand-crafted cabinet. Each cabinet requires 250 hours of labor (this is 6 weeks of full time work) and uses 50 board feet of lumber. Suppose that the company can sell a cabinet for $200, would it be worthwhile? You could solve this 9 problem by changing the problem and adding an additional variable and an additional constraint. Note that the coe cient of cabinets in the objective function is 150, which re? cts the sale price minus the cost of lumber. I did the computation. The ? nal value increased to 106,802. 7211. The solution involved reducing the output of un? nished chairs to 1319. 727891 and increasing the output of cabinets to 8. 163265306. (Again, please tolerate the fractions. ) You could not have guessed these ? gures in advance, but you could ? gure out that making cabinets was a good idea. The way to do this is to value the inputs to th e production of cabinets. Cabinets require labor, but labor has a shadow price of zero. They also require lumber. The shadow price of lumber is $2. 7, which means that each unit of lumber adds $2. 67 to pro? t. Hence 50 board feet of lumber would reduce pro? t by $133. 50. Since this is less than the price at which you can sell cabinets (minus the cost of lumber), you are better o? using your resources to build cabinets. (You can check that the increase in pro? t associated with making cabinets is $16. 50, the added pro? t per unit, times the number of cabinets that you actually produce. ) I attached a sheet where I did the same computation assuming that the price of cabinets was $150. In this case, the additional option does not lead to cabinet production. 10

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