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Suppose that you are considering investing in three mutual funds. The first is a U . S . stock fund, the second is an emerging
Suppose that you are considering investing in three mutual funds. The first is a US stock fund, the second is an emerging market stock index fund, and the third
is a Tbill money market fund that yields a riskfree rate of You can also borrow at the riskfree rate. The expected returns and standard deviations of the
two risky funds are:
Expected Return
US stock fund
Emerging market stock
fund
Standard Deviation
The correlation coefficient between the returns of the two stock funds, is
a If you can only choose either the US stock fund or the emerging market stock fund to combine with the riskfree Tbill fund and you want an expected return of
which stock fund will you choose? What is the standard deviation of your portfolio?
b You can invest only in the two stock funds. If you invest of your money in the US stock fund and in the emerging market stock fund, what is the
expected return and standard deviation of your portfolio?
c You can invest in all three funds. Use the formula for the weights of the optimal risky portfolio or Excel Solver to compute the optimal portfolio weights. What is
the Sharpe ratio of the best CAL? For the same level of risk as in b is the expected return higher or lower than b
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