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Normy · 2021年02月24日

我是这样理解的:

NO.PZ2018091705000101

问题如下:

 Açor reviews a recent risk tolerance questionnaire completed by Njau, which relates to overall portfolio risk. Açor focuses on the type of capital sufficiency analysis to perform for Njau. To determine the optimal allocation, Açor seeks to ensure that Njau’s charitable pledge can be met and implements a goal- based investing approach. Açor runs a Monte Carlo simulation to determine the probability of success, which is the likelihood that Njau can meet her charitable pledge objective. The simulation results are presented in Exhibit 2.

Açor’s portfolio allocation for Njau is most likely optimized on the basis of: 

选项:

A.

a stated maximum level of volatility. 

B.

 total portfolio mean–variance efficiency.

C.

 the results of the risk tolerance questionnaire.

解释:

A is correct. Açor uses the goal- based investing approach by allocating with a focus on Njau’s charitable pledge to Udhamini. With this method, she seeks to optimize Njau’s portfolio so that the pledge goal has a high probability of being met. Açor will set aside a required amount of funds to invest, and a mean–variance optimization will be run specifically for that portion of Njau’s portfolio. The funds will be invested to a stated maximum level of volatility to meet the charitable need.

B选项我知道一定是不选的;AC选项,我选择C的原因是,因为题目是说A同学要进行goalbased,那么基于客户的目标,也一定是基于了客户所呈现的“六大元素”,问卷可以达到这样的效果,问卷也是要问清楚,目标、风险忍容度、投资期、流动性偏好、各类投资偏好、限制等等,为何不选C?

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王暄_品职助教 · 2021年02月25日

嗨,努力学习的PZer你好:


 这个知识点我知道,那么A选项,怎么理解这个stated maxium level of volatility,是否就可以理解为客户的每一层级的goal所能承担的业绩最大波动?

——————————————————————————————————————————————————

  •  题干中提到Acor用的是goal-based investing approach, 所以我们要分层考虑每一个goal,也就是在每一个goal内,用mean-variance optimizationà那么B一定是错的,因为说的是total portfolio mean-variance efficiency
  •  在每一个goal内使用mean-variance optimization,波动越大收益越大,那么可以在投资者可接受范围内挑一个最大风险的allocation以便于获得最大化的收益去实现charitableneed

 

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王暄_品职助教 · 2021年02月25日

就没有C这么一说,C是凑选项的


风险问卷,是没办法做到如此细致的资产分配的,资产分配一定要进行细致的量化,根据问卷,即使问清楚了你提到的这些,但又如何根据问卷开始做真正的股票分配呢?无法根据问卷决定每个股票分配多少资金。

问卷只是大方向,而本题问的都已经给出了mc模拟,这么细致的结果了,肯定不可能是通过问卷得出的。


而且题干里说的是“goal-based investing approch",是一种决定每个资产投资多少的apporoach,同学应该是知识点掌握的不好。

可以去看一下基础班讲义P79,回忆一下这个知识点

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