Question 3 Is the portfolio of risky assets currently chosen by the college s fund manager an
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Is the portfolio of risky assets currently chosen by the colleges fund manager an efficient portfolio? If not, please explain and calculate the investment proportions in the five risky assets selected by the fund required to construct an efficient risky portfolio, which would deliver the same expected return as the current choice of the risky portfolio for this part, assume the fund undertakes no riskfree investment
From the graph below, we can see the grey spot representing the current portfolio is located on the right side of the efficient frontier. It means that we can earn the same return while lowering the SD of the portfolio, ie moving the grey spot to the left side. By using solver, we find out the efficient portfolio with same return. Please refer to the portfolio with of return
Question
For the rest of the project, you can invest in the riskfree asset. Assume that the riskfree rate going forward equals the average Tbills rate in the sample. What is the level of this riskfree rate?
The level of this riskfree rate is
More detailed calculations and performance statistics can be found in Figure
Question
Calculate the investment proportions required to achieve the optimal tangency risky portfolio, given the possibility of investing in riskfree Tbills use Excels solver module What is the expected return and standard deviation of the tangency portfolio?
The investment proportions required to achieve the optimal tangency risky portfolio:
SMLSTK
MEDSTK
LRGSTK
VBMFX
REITs
Weights
The expected return and standard deviation of the tangency portfolio:
Portfolio return
Portfolio standard deviation
More detailed calculations and performance statistics can be found in Figure
Question
Continue to assume that you can invest in the riskfree asset. Calculate the investment proportions required to construct an efficient portfolio with an expected return equal to the existing portfolios expected return note: this portfolio should include the riskfree asset Also, calculate the expected standard deviation of returns on this portfolio.
According to Figure the investment proportions required to construct an efficient
portfolio with an expected return equal to the existing portfolios expected return
should be:
SMLSTK
MEDSTK
LRGSTK
VBMFX
REITs
TBILL
Weights
The inclusion of Tbills targeting at the same return led to a higher expected
standard deviation of compared with the previous portfolio.
Question
Continue to assume that you can invest in the riskfree asset. Suggest an efficient portfolio allocation to achieve the college's objective of a 'floor' expected rate of return of per month. What is the standard deviation of the portfolio?
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