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六姑娘 · 2021年09月20日

b为什么错误

NO.PZ2020033002000021

问题如下:

Which of the following statement about marginal default probability and cumulative default probability is correct?

选项:

A.

The probability that a borrower will default over a given multi-year period is defined as cumulative default probability. The probability that a borrower will default in any given year is defined as marginal default probability.

B.

The probability that a borrower will default as a result of a specified credit event is defined as marginal default probability. The probability that a borrower will default refers to all possible credit events is defined as cumulative default probability.

C.

The marginal default probability is the lowest probability that the borrower will default and the cumulative default probability is the highest probability that the borrower will default.

D.

Statement A and Statement C are both correct.

解释:

A is correct.

考点:Binomial Trees of PD

解析:只有A选项符合定义。

b选项为什么错误谢谢
1 个答案

品职答疑小助手雍 · 2021年09月20日

同学你好,本题纯粹描述定义,B选项两句话分别描述的是conditional和unconditional default probability。