lorilhuff3989 lorilhuff3989 06-06-2023 Business contestada Suppose that the index model for stocks A and B is estimated from excess returns with the following results: RA = 5.0% + 1.30RM + eA RB = -2.0% + 1.6RM + eg OM = 20%; R-squareA 0.20; R-squareg = 0.12