2. (Measures of Risk Aversion in EUT) In class we discussed the Arrow-Pratt coefficient of absolute risk aversion: u"(x) u'(x) r(x) = Another measure of risk aversion that is often used is the Arrow-Pratt coefficient of relative risk aversion: xu" (x) u'(x) q(x) = Both measures capture different aspects of risk aversion. One way to see the difference is to consider an agent who has a budget to allocate to a portfolio of a safe asset (a bond) and a risky asset (a stock). The higher r(r), the more dollars the agent will allocate to the bond. The higher q(z), the bigger the share of the agent's portfolio that will be allocated to the bond.
2. (Measures of Risk Aversion in EUT) In class we discussed the Arrow-Pratt coefficient of absolute risk aversion: u"(x) u'(x) r(x) = Another measure of risk aversion that is often used is the Arrow-Pratt coefficient of relative risk aversion: xu" (x) u'(x) q(x) = Both measures capture different aspects of risk aversion. One way to see the difference is to consider an agent who has a budget to allocate to a portfolio of a safe asset (a bond) and a risky asset (a stock). The higher r(r), the more dollars the agent will allocate to the bond. The higher q(z), the bigger the share of the agent's portfolio that will be allocated to the bond.
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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