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Kokonoi Hajime · 2023年09月21日

有点没看懂这道题的逻辑

NO.PZ2023010301000016

问题如下:

Relative to a fully amortized bond, the coupon payments of an otherwise similar partially amortized bond are

选项:

A.

lower or equal.

B.

equal.

C.

higher or equal.

解释:

Correct Answer: C

Except at maturity, the principal repayments are lower for a partially amortized bond than for an otherwise similar fully amortized bond. Consequently, the principal amounts outstanding and, therefore, the amounts of interest payments are higher for a partially amortized bond than for a fully amortized bond, all else equal. The only exception is the first interest payment, which is the same for both repayment structures. This is because no principal repayment has been made by the time the first coupon is paid.

如题

1 个答案

吴昊_品职助教 · 2023年09月21日

嗨,从没放弃的小努力你好:


本题考察的是债券摊销的问题,债券如果在存续期间存在摊销,就相当于把本金的归还也摊在了存续期间。也就是说在存续期间,本金是逐渐变小的,由于本金的减少从而导致的就是coupon payment的下降。

完全摊销的本金(fully)把所有本金都摊在了存续期内,换句话说每一期本金下降的多,剩下的本金就较少,所以相对应coupon payment也就更小。相反,部分摊销的coupon payment就更大,因为只摊销了部分本金,剩下的本金较多。故选C。

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