question archive A stock you are holding has a beta of 2
Subject:FinancePrice:2.87 Bought7
A stock you are holding has a beta of 2.0 and the stock is currently in equilibrium. The required rate of return on the stock is 15% versus a required return on an average stock of 10%. Now the required return on an average stock increases by 30.0% (not percentage points). The risk-free rate is unchanged. By what percentage (not percentage points) would the required return on your stock increase as a result of this event?
Answer:
Step 1 Solve for risk-free rate
ks = 15% = kRF + (10% - kRF)2.0 = kRF + 20% - 2kRF
kRF = 5%.
Step 2 Calculate new market return
kM increases by 30%, so kM = 1.3(10%) = 13%.
Step 3 Calculate new required return on stock
ks = 5% + (13% - 5%)2 = 21%.
Step 4 Calculate percentage change in return on stock
. 21% - 15%
. ------------ = 40%.
15%
answer is 40%