Answer:
a) 16%
b) 2.25
c) Increase in expected market risk premium
Explanation:
Expected standard deviation of market return = 20%
measure of risk aversion ( A ) = 4
a) Determine a reasonable expected market risk premium
= A * ( std ) ^2
= 4 * ( 20%)^2
= 16%
b) determine Value of A
market risk premium = A * ( std )^2
∴ A = 9% / ( 20% ) ^2
= 0.09 / 0.04
= 2.25
c) If investors become more risk tolerant the expected market risk premium will increase