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Unformatted text preview: Homework Assignment # 4 Econ 121b. Intermediate Microeconomics due February 7, 2011 (in class) Please put your discussionsection time and TAs name on your answer. 1. We saw in class what it means for a decision maker to be risk averse. In this exercise we are concerned with measuring the degree of risk aversion of an individual, that is, we want a number with the property that a decision maker with a higher is more risk averse than one with a smaller . There are different ways of measuring risk aversion, each of which corresponds to a dif ferent interpretation for what it means to be more risk averse. One important measure of risk aversion is called the ArrowPratt measure . In this exercise, we will exploit the connection between this measure and a decision makers willingness to gamble. Ryan is a risk averse expected utility maximizer who has a strictly concave and strictly increasing utility function u W R ! R over deterministic outcomes. Suppose that Ryans house is worth...
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 Spring '09
 SAMUELSON
 Microeconomics

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