Suppose that the index model for stocks A and Bis estimated from excess returns with the following results: RA = 3.2% + 1.10RM + ea RB = -1.4% + 1.25RM + eB OM = 30%; R-squarea = 0.28; R-squareg = 0.12 Break down the variance of each stock to the systematic and firm-specific components. (Do not round intermediate calculations. Calculate using numbers in decimal form, not percentages. Round your answers to 4 decimal places.) Risk for A Risk for B Systematic Firm-specific

Essentials Of Investments
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Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
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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
3.2% + 1.10RM + EA
RB
= -1.4% + 1.25RM + eB
OM = 30%; R-squarea = 0.28; R-squareB = 0.12
Break down the variance of each stock to the systematic and firm-specific components. (Do not round intermediate calculations.
Calculate using numbers in decimal form, not percentages. Round your answers to 4 decimal places.)
Risk for A
Risk for B
Systematic
Firm-specific
Transcribed Image Text:Suppose that the index model for stocks A and B is estimated from excess returns with the following results: RA 3.2% + 1.10RM + EA RB = -1.4% + 1.25RM + eB OM = 30%; R-squarea = 0.28; R-squareB = 0.12 Break down the variance of each stock to the systematic and firm-specific components. (Do not round intermediate calculations. Calculate using numbers in decimal form, not percentages. Round your answers to 4 decimal places.) Risk for A Risk for B Systematic Firm-specific
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