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Until now we have ignored risk aversion. The Bernoulli brothers were the first to suggest a tractable way of representing risk aversion. They pointed out that an explanation of the St. Petersburg paradox might be that people care about expected utility instead of expected income, where utility is some concave function, such as the logarithm. One of the most famous and important models in financial economics is the Capital Asset Pricing Model, which can be derived from the hypothesis that every agent has a (different) quadratic utility. Much of the modern mutual fund industry is based on the implications of this model. The model describes what happens to prices and asset holdings in general equilibrium when the underlying risks can’t be hedged in the aggregate. It turns out that the tools we developed in the beginning of this course provide an answer to this question.
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Video Length: 0
Date Found: April 29, 2011
Date Produced:
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 ACADEMIC EARTH |
May 25, 2011
Professor Snowden describes the final exam, and takes questions from students.
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 ACADEMIC EARTH |
May 25, 2011
In the eighteenth century, smallpox succeeded plague as the most feared disease. The two maladies, however, are very different. While plague is a bacterial disease, smallpox is viral. Plague is spread by rats and fleas, smallpox is transmitted by contact and airborne inhalation. Unlike plague, ...
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 ACADEMIC EARTH |
May 25, 2011
The next and final Enlightenment tradition to be examined in the class is that of John Rawls, who, according to Professor Shapiro, was a hugely important figure not only in contemporary political philosophy, but also in the field of philosophy as a whole. The class is introduced to some of the ...
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 ACADEMIC EARTH |
May 25, 2011
In this lecture, Professor Freeman discusses the Declaration of Independence and sets the document in its historical context. The Declaration was not the main focus of the Second Continental Congress, which was largely concerned with organizing the defensive war effort. The Congress had sent ...
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 ACADEMIC EARTH |
May 25, 2011
SARS, avian influenza and swine flu are the first new diseases of the twenty-first century. They are all diseases of globalization, or diseases of modernity, and while relatively limited in their impact, they have offered dress-rehearsals for future epidemics. As information about SARS spread ...
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