Suppose that the index model for stocks A and B is estimated from excess returns with...
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Suppose that the index model for stocks A and B is estimated from excess returns with the following results: RA 3.20 1.10RM + eA Rg-1.408 1.25RM + eg 30%; R-squareA 0.28; R-squares 0.12 Assume you create portfolio P with investment proportions of 0.70 in A and 0.30 in 8. a. What is the standard deviation of the portfolio? (Do not round your intermediate calculations. Round your answer to 2 decimal places.) Standard deviation b. What is the beta of your portfolio? (Do not round your intermediate calculations. Round your answer to 2 decimal places.) Portfolio beta % c. What is the firm-specific variance of your portfolio? (Do not round your intermediate calculations. Round your answer to 4 decimal places.) Firm-specific d. What is the covariance between the portfolio and the market index? (Do not round your intermediate calculations. Round your answer to 3 decimal places.) Covariance Suppose that the index model for stocks A and B is estimated from excess returns with the following results: RA 3.20 1.10RM + eA Rg-1.408 1.25RM + eg 30%; R-squareA 0.28; R-squares 0.12 Assume you create portfolio P with investment proportions of 0.70 in A and 0.30 in 8. a. What is the standard deviation of the portfolio? (Do not round your intermediate calculations. Round your answer to 2 decimal places.) Standard deviation b. What is the beta of your portfolio? (Do not round your intermediate calculations. Round your answer to 2 decimal places.) Portfolio beta % c. What is the firm-specific variance of your portfolio? (Do not round your intermediate calculations. Round your answer to 4 decimal places.) Firm-specific d. What is the covariance between the portfolio and the market index? (Do not round your intermediate calculations. Round your answer to 3 decimal places.) Covariance
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