[CFA入门] 请教一道CFA1的定量分析题

1080, defaults, expected, today

请教一道CFA1的定量分析题

在notes里的session2 4.B

A bond that matures in one year is priced at $950 today. You estimate that it has a 10% probability of default. If the bond defaults, you expect to recover $600. If it does not default, it will pay $1080 at maturity. The nominal 1-year risk-free rate is 7.5%

What is the expected payoff on the bond in one year?

答案是：0.1(600) +0.9(1080)=1032

我的问题是，600不是recover，是收回吗？ 1080是付出的，难道不考虑符号问题吗？

0.1(600)+0.9(-1080)=-912. 所以，expect pay 912

请指导，谢谢

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Dong86

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发表于 2011-2-16 14:31 | 只看该作者

You can think of it as you recover 600 if the bond defaults, and "recover" 1080 if it doesn't. You obviously don't pay 1080 if the bond doesn't default... 1080 is what you "get" paid if the bond doesn't default

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