Question
There is an investment opportunity set where the optimal risky portfolio O has expected rate ofreturn of 12% and volatility( or standard deviation) of 25%,
There is an investment opportunity set where the optimal risky portfolio O has expected rate ofreturn of 12% and volatility( or standard deviation) of 25%, and T-bill yields a risk free rate of2%.1. Investor A chooses to invest 75 % in the portfolio O and 25% in T-bill. Compute theexpected return and volatility of her portfolio, and its Sharpe ratio.2. Investor B has an expected risk premium of 7% to the risk-free asset return with herportfolio. Compute the composition of her portfolio and its Sharpe ratio.3. Investor C has a volatility target of 20%. Compute the expected return and its Sharperatio.4. Draw a CAL line and mark Sharpe ratio and all investors asset allocation choices(A, B,C).
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