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carolwang · 2023年08月10日

module b 的PV

  1. CFA III
  2. Asset Allocation

* 问题详情，请 查看题干

NO.PZ202212280100004702

问题如下：

B. Construct the overall goals- based asset allocation for the Armstrongs given their three goals and Abbott’s suggestion for investing any excess capital. Show your calculations. （原版书）

选项：

解释：

• The module that should be selected for each goal is the one that offers the highest return given the time horizon and required probability of success.

• Approximately 16.4%, 12.7%, 50.4%, and 20.5% should be invested in Modules A, B, C, and D, respectively.

The appropriate goals- based allocation for the Armstrongs is as follows:

For Goal 1, which has a time horizon of five years and a required probability of success of 85%, Module C should be chosen because its 4.4% expected return is higher than the expected returns of all the other modules. The present value of Goal 1 is calculated as follows:

N = 5, FV = –5,000,000, I/Y = 4.4%; CPT PV = $4,031,508 (or $4.03 million)

So, approximately 50.4% of the total assets of $8 million (= $4.03 million/$8.00 million) should be allocated to Module C.

For Goal 2, which has a time horizon of 10 years and a required probability of success of 99%, Module B should be chosen because its 2.2% expected return is higher than the expected returns of all the other modules. The present value of Goal 2 is calculated as follows:


PV = $1,013,670 (or $1.01 million)

So, approximately 12.7% of the total assets of $8 million (= $1.01 million/$8.00 million) should be allocated to Module B.

For Goal 3, which has a time horizon of 25 years and a required probability of success of 75%, Module D should be chosen because its 7.5% expected return is higher than the expected returns of all the other modules. The present value of Goal 3 is calculated as follows:

N = 25, FV = –10,000,000, I/Y = 7.5%; CPT PV = $1,639,791 (or $1.64 million)

So, approximately 20.5% of the total assets of $8 million (= $1.64 million/$8.00 million) should be allocated to Module D.

Finally, the surplus of $1,315,032 (= $8,000,000 – $4,031,508 – $1,013,670 – $1,639,791), representing 16.4% (= $1.32 million/$8.00 million), should be invested in Module A following Abbott’s suggestion.

用先付年金算了几遍module b的PV都是1036127，和答案101xxxxx有出入

公式如下：

FV=0,N=10,I/Y=-0.78,PMT=100,000

是哪里错了么。。。

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1 个答案

lynn_品职助教 · 2023年08月11日

嗨，爱思考的PZer你好：


用先付年金算了几遍module b的PV都是1036127，和答案101xxxxx有出入

公式如下：

FV=0,N=10,I/Y=-0.78,PMT=100,000

是哪里错了么。。。


同学前面都对了，还差了一步，如下图所示将同学算的这个值乘上100000/1.022就行了，讲解在AA经典题3.reading6第11个视频，Goals-Based AA(2)，2倍速第12分钟处。

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