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rosamondfeng · 2020年02月23日

问一道题:NO.PZ2018123101000107 [ CFA II ]

问题如下:

Cromwell works with another analyst, George Hastings, to discuss credit scoring and credit rating models. Hastings starts the conversation by saying, “Credit scoring models are primarily applied to consumers or small business borrowers. In some cases, only negative information, such as delinquencies or defaults, are used, while other models use a mix of factors, such as payment history and recent credit searches.” The focus of credit scores is the probability of default. Hastings continues, “Credit ratings, on the other hand, are used in the corporate and sovereign bond market and also for asset-backed securities. Ratings are focused on probability of default. Credit rating agencies, such as Standard & Poor’s, consider the loss given default by means of notching, which adjusts the issuer rating to reflect the priority of claims in the capital structure."

Are Hastings’s comments regarding credit scores and credit ratings most likely correct?

选项:

A.

Yes

B.

No, he is incorrect with regard to credit scores.

C.

No, he is incorrect with regard to credit ratings.

解释:

Hastings’s comments regarding both credit scores and credit ratings are correct.

Rating不是LGD+POD吗?题目只说了POD。
1 个答案

吴昊_品职助教 · 2020年02月23日

通过score体现出的是借款人的信用质量,信用质量主要决定的是他违约的可能性,所以credit score主要focus在违约概率(POD)上。评级评出来的也是发行人的信用质量,信用质量决定了其将来违约的可能性。所以credit rating也是focus在违约概率上。因此,这两句话都是对的。

LGD是一旦违约会损失多少,取决于发行的债券它自身的偿还顺序,是否有抵押品等因素。这些因素才决定了LGD,不是这两个模型主要需要focus的。

这道题可以当一个结论来记忆一下。

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