Question
You would like to construct an optimal portfolio to maximize your mean-variance utility Ui = E[ri] - *A*Variance i with a risk-aversion A=2. Your investment
You would like to construct an optimal portfolio to maximize your mean-variance utility
Ui = E[ri] - *A*Variancei with a risk-aversion A=2. Your investment horizon is one year from today, and only two bonds are available for trading as below: 1. One-year risk-free zero-coupon bond: Face value of $100 and currently traded at $99. 2. One-year risky coupon bond: Face value of $100 with the coupon rate of 10% (coupon rate is an annualized percentage rate and coupon is paid annually, i.e., coupon is paid once in year1 when it matures.), currently traded at $80. At maturity, with the default probability of 40%, the risky bond will recover 60% of the face value and 60% of the coupon payment. Please construct the optimal portfolio, i.e., weights of the two assets.
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