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This lecture explains what an economic model is, and why it allows for counterfactual reasoning and often yields paradoxical conclusions. Typically, equilibrium is defined as the solution to a system of simultaneous equations. The most important economic model is that of supply and demand in one market, which was understood to some extent by the ancient Greeks and even by Shakespeare. That model accurately fits the experiment from the last class, as well as many other markets, such as the Paris Bourse, online trading, the commodities pit, and a host of others. The modern theory of general economic equilibrium described in this lecture extends that model to continuous quantities and multiple commodities. It is the bedrock on which we will build the model of financial equilibrium in subsequent lectures.
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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 |
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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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