26. Assume an investor with the following utility function: U = E(r) - 3/2(s2). To maximize her expected utility, she would choose the asset with an expected rate of return of _______ and a standard deviation of ________, respectively.
Select one:
a. 12%; 20%
b. 10%; 15%
c. 10%; 10%
d. 8%; 10%
U = E(r) - 3/2(s2)
Let's find the value of U for each of the given answer options and then pick the one with highest U
a. E(r ) = 12%
(s^2) = 20%
U = 0.12 - 3/2 * 0.20^2
U = 0.12 - 0.06
U = 0.06
b. 10%; 15%
U = 0.10 - 3/2 * 0.15^2
U = 0.10 - 0.03375
U = 0.06625
c. 10%; 10%
U = 0.10 - 3/2 * 0.1^2
U = 0.10 - 0.015
U = 0.085
d. 8%; 10%
U = 0.08 - 3/2 * 0.1^2
U = 0.08 - 0.015
U = 0.065
Option C is correct: 10%; 10%
The asset with an expected rate of return of 10% and a standard deviation of 10% maximizes the expected utility.
U = 0.085 = 8.5%
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