Question: 1. The expected returns and standard deviation of returns for two securities are as follows: Security Z Expected Return 8% Standard Deviation 20% Security Y
1. The expected returns and standard deviation of returns for two securities are as follows:
Security Z
Expected Return 8% Standard Deviation 20%
Security Y
18% 30%
Correlation between the returns is .25.
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(a) Calculate the expected return and standard deviation of the return for the fol-
lowing portfolios:
i. 100% in Z. ii. 75%inZand25%inY.
iii. 50% in Z and 50% in Y. iv. 25%inZand75%inY.
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v. 0%inZand100%inY. vi. -25% in Z and 125% in Y.
Feel free to use a spreadsheet for this calculation and just report the two values per portfolio.
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(b) Sketch the investment opportunity set with assets Z and Y.
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Mark the three regions in which the share in security Z is negative, between 0 and 1, and bigger than 1. Indicate the minimum variance portfolio (MVP) and the efficient frontier.
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