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DDup · 2022年04月06日

如下

NO.PZ2015121801000137

问题如下:

An analyst observes the following historic geometric returns:

The risk premium for equities is closest to:

选项:

A.

5.4%.

B.

5.5%.

C.

5.6%.

解释:

A is correct. (1 + 0.080)/(1 + 0.0250) – 1 = 5.4%

前人提问解答:

这道题结合corporate finance知识点,具体公式是(1+nominal rate)=(1+nominal risk-free rate)*(1+risk premium)=(1+real risk-free rate)*(1+inflation)*(1+risk premium)。从这道题而言,直接用nominal rate除以(1+nominal risk-free rate)就可以算出risk premium(Treasury bills的利率就是nominal risk-free rate)


但是在corporate finance 和其他课程里面,我只学过名义利率等于实际利率和通胀率的几何平均公式,并没有讲过名义利率和无风险利率之间的几何平均公式…

1 个答案

Kiko_品职助教 · 2022年04月07日

嗨,努力学习的PZer你好:


1+real rate=(1+real risk-free rate)*(1+risk premium),把这个公式带入到你问题里面所说的公式,就可以了。

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