To find the fraction of wealth to invest in stock fund that will result in the risky portfolio with maximum Sharpe ratio | |||||
the following formula to determine the weight of stock fund in risky portfolio should be used | |||||
w(*d)= ((E[Rd]-Rf)*Var(Re)-(E[Re]-Rf)*Cov(Re,Rd))/((E[Rd]-Rf)*Var(Re)+(E[Re]-Rf)*Var(Rd)-(E[Rd]+E[Re]-2*Rf)*Cov(Re,Rd) | |||||
Where | |||||
stock fund | E[R(d)]= | 20.00% | |||
bond fund | E[R(e)]= | 11.00% | |||
stock fund | Stdev[R(d)]= | 35.00% | |||
bond fund | Stdev[R(e)]= | 15.00% | |||
Var[R(d)]= | 0.12250 | ||||
Var[R(e)]= | 0.02250 | ||||
T bill | Rf= | 9.00% | |||
Correl | Corr(Re,Rd)= | 0.09 | |||
Covar | Cov(Re,Rd)= | 0.0047 | |||
stock fund | Therefore W(*d)= | 0.5522 | |||
bond fund | W(*e)=(1-W(*d))= | 0.4478 | |||
Expected return of risky portfolio= | 15.97% =0.1597 | ||||
Risky portfolio std dev (answer Risky portfolio std dev)= | 21.02% = 0.2102 | ||||
Where | |||||
Var = std dev^2 | |||||
Covariance = Correlation* Std dev (r)*Std dev (d) | |||||
Expected return of the risky portfolio = E[R(d)]*W(*d)+E[R(e)]*W(*e) | |||||
Risky portfolio standard deviation =( w2A*σ2(RA)+w2B*σ2(RB)+2*(wA)*(wB)*Cor(RA,RB)*σ(RA)*σ(RB))^0.5 |
Problem 7-7 10 points A pension fund manager is considering three mutual funds. The first is...
Problem 7-7 A pension fund manager is considering three mutual funds. The first is a stock fund, the second is a long-term government and corporate bond fund, and the third is a T-bill money market fund that yields a rate of 6%. The probability distribution of the risky funds is as follows: Expected Return 21% Standard Deviation 28% Stock fund (5) Bond fund (B) 12 18 The correlation between the fund returns is 0.09. Solve numerically for the proportions of...
A pension fund manager is considering three mutual funds. The first is a stock fund, the second is a long-term government and corporate bond fund, and the third is a T-bill money market fund that yields a rate of 6%. The probability distribution of the risky funds is as follows: Expected Return 21% Standard Deviation 28% 18 Stock fund (S) Bond fund (B) 12 The correlation between the fund returns is 0.09. Solve numerically for the proportions of each asset...
A pension fund manager is considering three mutual funds. The first is a stock fund, the second is a long-term government and corporate bond fund, and the third is a T-bill money market fund that yields a rate of 7%. The probability distribution of the risky funds is as follows: Expected Return 16% 12 Standard Deviation 38% Stock fund (S) Bond fund (B) 21 The correlation between the fund returns is 0.12. Solve numerically for the proportions of each asset...
A pension fund manager is considering three mutual funds. The first is a stock fund, the second is a long-term government and corporate bond fund, and the third is a T-bill money market fund that yields a rate of 7%. The probability distribution of the risky funds is as follows: Expected Return Standard Deviation Stock fund (S) 16 % 38 % Bond fund (B) 12 21 The correlation between the fund returns is 0.12. Solve numerically for the proportions...
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