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游得过 · 2024年04月23日

不理解这道题在考什么

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NO.PZ202403050400000604

问题如下:

Which of Hextall’s explanations regarding the three distinct methods of VaR is least likely correct?

选项:

A.Historical B.Parametric C.Monte Carlo

解释:

A is correct. Hextall incorrectly explains the historical method by stating that it relies on the assumption that the distribution of returns on the risk factors is a normal distribution. The historical method is based on actual returns and, accordingly, is not constrained by the assumption of a normal distribution.

B is incorrect. Hextall’s explanation about the parametric method is correct.

C is incorrect. Hextall’s explanation about the Monte Carlo simulation method is correct.

不理解这道题在考什么

1 个答案
已采纳答案

品职助教_七七 · 2024年04月24日

嗨,努力学习的PZer你好:


题干给出了Hextall对于三种得到VaR的方法的描述,考察哪种描述是错误的。

The parametric method assumes that the distribution of returns on the risk factors is normal, and it is considered to be a straightforward approach. The historical simulation method also relies on the normal distribution assumption. The Monte Carlo simulation method relies on neither a normal distribution nor past returns and, as a result, is able to accommodate bonds that may contain embedded options.

由于historical simulation method并不需要假设分布,所以这种方法(A选项)的描述是错误的。

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努力的时光都是限量版,加油!

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