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lynn666 · 2023年04月25日

还有什么风险没考虑?

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.

除了CR.MR OR还有什么风险?战略,声誉之类的吗?

2 个答案

DD仔_品职助教 · 2023年04月27日

嗨,爱思考的PZer你好:


不好意思,我说的不考虑了的意思是在答案中就没提起其他的小风险。

B选项说的是因为VaR没考虑其他除了ORMRCR以外的小类R,所以导致用VaR计算capital时会计算的少。


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DD仔_品职助教 · 2023年04月27日

嗨,爱思考的PZer你好:


同学你好,

是的,但是这里我们只考虑FRM里面学过的大类风险,细的小类就虽然也没包含但不考虑了。

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lynn666 · 2023年04月27日

不考虑了?b选项不是就是说因为没考虑其他风险,所以bank has too little captial吗?那不就是说应该都要考虑而且不考虑的话capital会差很多吗?

lynn666 · 2023年04月27日

不考虑了?b选项不是就是说因为没考虑其他风险,所以bank has too little captial吗?那不就是说应该都要考虑而且不考虑的话capital会差很多吗?

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