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Yang · 2020年11月04日

问一道题:NO.PZ2018101501000018 [ CFA II ]

问题如下:

Company M has a four-year project with an expansion option, which depends on the demand at the end of the 1st year. Whether demand is -high- or -low- in Years 1–4 will be determined during the first year. The probabilities of -high- or -low- demand are equal. The cost of capital is 12%. We should notice that the expansion option will not exist if the initial investment is not made. The detailed information of the project is given in the following tables.

The initial project:

Additional cash flows with the optional expansion project:

The NPV of the initial project without the real option is given to be -13.32, what’s the NPV of project including the expansion option?

选项:

A.

-$6.11 million

B.

$6.37 million

C.

$19.69 million

解释:

B is correct.

考点:Evaluating Projects with Real Options

解析:t=1如果是高需求,NPVexpansion = -100 + t=13601.12t\sum_{t=1}^3\frac{60}{1.12^t}= $44.11 million,此时扩张期权会执行如果是低需求,NPVexpansion = -100 +t=13301.12t\sum_{t=1}^3\frac{30}{1.12^t} = -$27.95 million,此时扩张期权不会执行

t=0,Expected NPVexpansion = 0.5*44.11/1.12 = $19.69 million

因此在考虑了扩张期权之后的NPV = -13.32 + 19.69 = $6.37 million

请问两张表里的60million和30million意义相同吗
1 个答案

王琛_品职助教 · 2020年11月05日

- 如何定义 "意义相同" 呢?
- 都是指的项目预计的期间现金流,只不过用途不同
- 第一张表的数据,用于计算不含期权的项目 NPV。如果换一组数据,即把 30,60 换成其他数据,那么题干 "The NPV of the initial project without the real option is given to be -13.32" 中的 -13.32 就会改变
- 第二张表的数据,用于计算项目的期权价值,60、30 分别对应高需求和低需求时的期间现金流。如果换一组数据,那么解析中的 44.11 和 -27.95 会改变

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NO.PZ2018101501000018 问题如下 Company M ha four-yeprojewith expansion option, whipen on the manthe enof the 1st year. Whether manis -high- or -low- in Years 1–4 will terminering the first year. The probabilities of -high- or -low- manare equal. The cost of capitis 12%. We shoulnotiththe expansion option will not exist if the initiinvestment is not ma. The taileinformation of the projeis given in the following tables.The initiproject: Aitioncash flows with the optionexpansion project: The NPV of the initiprojewithout the reoption is given to -13.32, what’s the NPV of projeinclung the expansion option? A.-$6.11 million B.$6.37 million C.$19.69 million B is correct.考点Evaluating Projects with ReOptions解析t=1时,如果是高需求,NPVexpansion = -100 + ∑t=13601.12t\sum_{t=1}^3\frac{60}{1.12^t}∑t=13​1.12t60​= $44.11 million,此时扩张期权会执行。如果是低需求,NPVexpansion = -100 +∑t=13301.12t\sum_{t=1}^3\frac{30}{1.12^t}∑t=13​1.12t30​ = -$27.95 million,此时扩张期权不会执行。t=0时,ExpecteNPVexpansion = 0.5*44.11/1.12 = $19.69 million因此在考虑了扩张期权之后的NPV = -13.32 + 19.69 = $6.37 million 第一年可以确定高需求,要expan话,原项目的现金流也应该确定为60吧。这样原项目的NPV会不会因此而改变?然后再加expansion project的NPV。

2022-08-28 11:04 1 · 回答

NO.PZ2018101501000018 问题求NPV of projeinclung the expansion option,而不是option value,为什么要做差呢?

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