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Assume That Stock Market Returns Do Follow a Single-Index Structure

Question 61

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Assume that stock market returns do follow a single-index structure.An investment fund analyzes 500 stocks in order to construct a mean-variance efficient portfolio constrained by 500 investments.They will need to calculate ________ estimates of firm-specific variances and ________ estimate/estimates for the variance of the macroeconomic factor.


A) 500; 1
B) 500; 500
C) 124,750; 1
D) 124,750; 500

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