A pension fund manager is considering three mutual funds for investment. The first one is a stock fund, the second is a bond fund and the third is a money market fund. The money market fund yields a risk-free return of 5%. The inputs for the risky funds are given in the following table.
Fund | Expected Return | Standard Deviation | ||
Stock fund | 13% | 33% | ||
Bond fund | 6% | 16% | ||
The correlation coefficient between the stock and the bond funds is 0.4.
a. What is the expected return and the variance for a portfolio that invests 54% in the stock fund and 46% in the bond fund? (Round intermediate calculations to at least 4 decimal places and final answers to 2 decimal places.)
Expected return | ?% |
Variance | ? %2 |
b. What is the expected return and the variance for a portfolio that invests 54% in the stock fund and 46% in the money market fund? [Hint: Note that the correlation coefficient between the portfolio and the money market fund is zero.] (Round intermediate calculations to at least 4 decimal places and final answers to 2 decimal places.)
Expected return | ?% |
Variance | ?%2 |
c. Compare the portfolios in parts a and b with a portfolio that is invested entirely in the bond fund. (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.)
a)
expected return =0.54*13+0.46*6=9.78
variance=(0.54*33)2+(0.46*16)2+2*0.54*33*0.46*16*0.4=476.65
b)
Expected return =0.54*13+0.46*5=9.32
Variance =317.55
c)
The portfolios in parts a and b offer better expected returns than the bond alone
The portfolios in parts a and b have higher variances than the bond alone.
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