Question: * please answer with worked solutions and NOT via excel * Q1. Assume analysts provide the following types of information. Assume short sales are allowed.
* please answer with worked solutions and NOT via excel *
Q1. Assume analysts provide the following types of information. Assume short sales are allowed.
| Stock | Mean Return | Standard Deviation |
| A | 10% | 8% |
| B | 12% | 10% |
| C | 18% | 16% |
| risk free rate | 5% |
The pairwise coefficient of correlation between all three stocks is 0.5, i.e. AB=AC=BC=0.5.
a) What the rate of return and the standard deviation of an equal weighted portfolio consist of all three stocks?
b) What is the minimum variance portfolio of A and B? What is the standard deviation of this portfolio? Explain briefly why the standard deviation of the portfolio is lower than that of A and B.
c) Find the weights of stock A, B and C in the efficient portfolio.
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