Suppose that the index model for stocks A and B is estimated from excess returns with the following results: RA = 1.00% + 0.45RM + eA RB = -1.00% + 1.00RM + eB OM = 16%; R-squareą = 0.28; R-squareg = 0.21 Assume you create portfolio P with investment proportions of 0.60 in A and 0.40 in B. a. What is the standard deviation of the portfolio? (Do not round your intermediate calculations. Round your answer to 2 decimal places.) Standard deviation

Essentials Of Investments
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Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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Suppose that the index model for stocks A and B is estimated from excess returns with the following results:
RA
1.00% + 0.45RM + eA
RB
= -1.00% + 1.00RM + eB
OM
16%; R-squarea
= 0.28; R-squareB = 0.21
Assume you create portfolio P with investment proportions of 0.60 in A and 0.40 in B.
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
.....
Transcribed Image Text:Suppose that the index model for stocks A and B is estimated from excess returns with the following results: RA 1.00% + 0.45RM + eA RB = -1.00% + 1.00RM + eB OM 16%; R-squarea = 0.28; R-squareB = 0.21 Assume you create portfolio P with investment proportions of 0.60 in A and 0.40 in B. 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
0.020
Transcribed Image Text: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 0.020
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