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王一 · 2020年02月23日

问一道题:NO.PZ2020010801000011

问题如下:

In a CAPM that regresses Wells Fargo on the market, the coefficients on monthly data are a = 0.1 and b = 1.2. What is the expected excess return on Wells Fargo when the excess return on the market is 3.5%?

选项:

解释:

The expected return is 0.1 + 1.2 * 3.5% = 14.2%. This value is the fitted value from the linear regression when the market return is 3.5%.

根据CAPM模型:E(Rp )- Rf = β [E(Rm)-Rf ] 得出E(Rp )-0.1=1.2*(3.5%-0.1) 为啥答案没有减去0.1呢?

1 个答案

品职答疑小助手雍 · 2020年02月24日

同学你好,这里的回归是CAPM已经展开过的E(Rp ) = β E(Rm)-α,直接带数字就行了。

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看了答案还是不懂

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