Problem

Consider a three-factor APT model. The factors and associated risk premiums are FactorR...

Consider a three-factor APT model. The factors and associated risk premiums are

Factor

Risk Premium

Change in GNP

5%

Change in energy prices

– 1

Change in long-term interest rates

+2

Calculate expected rates of return on the following stocks. The risk-free interest rate is 7%.

a. A stock whose return is uncorrelated with all three factors.


b. A stock with average exposure to each factor (i.e., with b = 1 for each).


c. A pure-play energy stock with high exposure to the energy factor (b = 2) but zero exposure to the other two factors.


d. An aluminum company stock with average sensitivity to changes in interest rates and GNP, but negative exposure of b = –1.5 to the energy factor. (The aluminum company is energy-intensive and suffers when energy prices rise.)

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Solutions For Problems in Chapter 8