44
45) Bankers Corp. has a very conservative beta of .7, while Biotech Corp. has a beta of 2.1. Given that the
T-bill rate is 5%, and the market is expected to return 15%, what is the expected return of Bankers Corp.,
Biotech Corp., and a portfolio composed of 60% of Bankers Corp. and 40% Biotech Corp.?
a. Solve this problem first by weighting the betas to calculate a portfolio beta, and then using CAPM to
calculate the portfolio expected return.
b. Then solve the problem again by calculating the expected return of each asset and weighting those
returns to calculate the portfolio expected return.
c. Why is Biotech Corp.’s expected return NOT three times that of Bankers Corp.?
Keywords: Beta, Portfolio, Market Risk Premium, Security Market Line
Learning Obj.: L.O. 6.5
AACSB: Analytical Thinking
46) Redesign Corp. is considering a new strategy that would increase its expected return from 12% to
13.9%, but would also increase its beta from 1.2 to 1.8. If the risk-free rate is 5% and the return on the
market is expected to be 10%, should Redesign change its strategy?
Keywords: Risk-Return Trade-off, CAPM, Security Market Line, Beta
Learning Obj.: L.O. 6.5
AACSB: Reflective Thinking
47) How does opportunity cost affect an investor’s required rate of return?
Keywords: Required Rate of Return
Learning Obj.: L.O. 6.5
AACSB: Reflective Thinking