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Eve · 2021年04月09日

已知 cds 求 hazard rate

NO.PZ2016082405000029

问题如下:

Which of the following statements best explains the relationship between CDS spreads and hazard rates?

选项:

A.

Hazard rates are observable and can be used to infer credit spreads from backward induction.

B.

Credit spreads are observable and can be used to infer hazard rates from backward induction.

C.

Hazard rates are observable and can be used to infer credit spreads from bootstrapping.

D.

Credit spreads are observable and can be used to infer hazard rates from bootstrapping.

解释:

D Credit spreads are observable and, when used in conjunction with observed discount rates on swaps and the presumed recovery rate, the probability of default over the specific maturity can be inferred. The probability of default can, in turn, infer the hazard rate for the first period. Using the bootstrapped hazard rate from period l, the second period hazard rate can be inferred using the same procedure with observable data corresponding to the longer maturity.

已知 cds 求 hazard rate 不是用 hazard rate =CDS/(1-recovery rate)这个公式吗?和bootstrapping 有什么关系呢?

1 个答案

小刘_品职助教 · 2021年04月09日

同学你好

这个是在讨论hazard rate curve。你那个公式是个时点值,是不变值,这里讨论的是hazard rate会随着时间的改变而改变,在基础班视频1.5倍速的4分钟左右开始。

这里的bootstrapping是指知道了前一段的hazard rate,才有可能得到下一段的hazard rate,建议同学再去了解一下这个过程,基础班讲义224-225页,因为考试有可能会考到。