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世纪之龙5 · 2024年04月16日

没看懂题目和解释

NO.PZ2016072602000029

问题如下:

Consider a bank that wants to have an amount of capital so that it can absorb unexpected losses corresponding to a firmwide VAR at the 1 % level. It measures firmwide VAR by adding up the VARs for market risk, operational risk, and credit risk. There is a risk that the bank has too little capital because

选项:

A.

It does not take into account the correlations among risks.

B.

It ignores risks that are not market, operational, or credit risks.

C.

It mistakenly uses VAR to measure operational risk because operational risks that matter are rare events.

D.

It is meaningless to add VARs.

解释:

B is correct. VAR can be added across different types of risk, but this will provide a conservative estimate of capital as diversification effects are ignored. So answer a. would be for too much capital. Answer c. is not correct because rare events can be factored into operational VAR. Most likely, the bank may have too little capital for other types of risk than those measured by these three categories.

如题

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品职答疑小助手雍 · 2024年04月17日

同学你好,这题问的是一个公司用简单的MR,CR,OR加和的方法算99%的var来计算capital,哪种因素会导致这个结果被低估。

那原因就是他忽略了一些其他的风险,没有计量在内,导致低估了总风险。

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