question archive Suppose the risk-free return is 2% and the market portfolio has an expected return of 12% and a volatility of 16%
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Suppose the risk-free return is 2% and the market portfolio has an expected return of 12% and a volatility of 16%. Merck & Co. (Ticker: MRK) stock has a 25% volatility and a correlation with the market of 0.8.
a. What is Merck’s beta with respect to the market?
b. Under the CAPM assumptions, what is its expected return?
a. Beta is computed as follows:
= correlation of market x (volatility of stock / volatility of market)
= 0.8 x (25 / 16)
= 0.8 x 1.5625
= 1.25
b. Expected return is computed as follows:
= Risk free rate + Beta x (Return on market - risk free rate)
= 2% + 1.25 x (0.12 - 0.02)
= 2% + 1.25 x 0.10
= 2% + 12.5%
= 14.5%