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506623496 · 2021年10月12日

Statement 1 考的知识点

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NO.PZ201812020100000405

问题如下:

Which of Compton’s statements about liability-driven investing is (are) correct?

选项:

A.

Statement 1 only

B.

Statement 2 only.

C.

Both Statement 1 and Statement 2.

解释:

C is correct.

Compton is correct that measurement error can arise even in immunization strategies for Type 1 cash flows, which have set amounts and set dates. Also, a parallel shift in yield curves is a sufficient but not a necessary condition to achieve the desired outcome. Non-parallel shifts as well as twists in the yield curve can change the cash flow yield on the immunizing portfolio; however, minimizing the dispersion of cash flows in the asset portfolio mitigates this risk. As a result, both statements are correct.

Statement 1 考的知识点是属于model risk吗?讲义里没有写?

1 个答案

pzqa015 · 2021年10月13日

嗨,爱思考的PZer你好:


是的,是model risk。model risk是指免疫过程中用到的各种假设估计不正确带来的风险。比如,实务中常用加权平均duration作为portfolio duration,而不是根据cash flow yield计算portfolio duration,这是不准确的。虽然负债的timing and amount 已知,但此时资产portfolio的BPV值不准确也会影响到免疫效果。

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