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Kate · 2024年06月23日

所以说 Kelly的statement就是正确的了嘛

NO.PZ2022122801000009

问题如下:

Fox is in the process of hiring an asset allocation analyst and has just completed interviewing two candidates, Ambrose Kelly and Catherine Trainor, for the position.

Fox mentioned to the candidates that when dealing with strategic asset allocation, investors often had difficulty understanding the relevant characteristics of asset classes. They responded:

Ÿ Kelly: I like to stress to clients that asset classes should have high within-group correlations but low correlations with other classes. In addition, because investors need to rebalance to a strategic asset allocation, asset classes need to have both sufficient liquidity and low transaction costs.

Ÿ Trainor: It is important that asset classes should be diversifying. I always look for low pairwise correlations with other asset classes.

In the candidates’ responses to Fox regarding the relevant characteristics of asset classes, the statement that is least accurate is: 2018 Mock AM

选项:

A.

Kelly’s regarding correlations.

B.

Trainor’s.

C.

Kelly’s regarding rebalancing.

解释:

B is correct. Although Trainor is correct that asset classes should be diversifying, low pairwise correlations with other asset classes is not sufficient. An asset class may be highly correlated with some linear combination of the other asset classes even when pairwise correlations are not high. Both of Kelly’s comments are correct: Asset classes should have high within-group correlations but low correlations with other classes. If liquidity and transaction costs are unfavorable for an investment of a size meaningful for an investor, an asset class may not be a suitable investment for that investor.

A is incorrect. Kelly’s first comment is correct about both the within-group and between class correlations.

C is incorrect. Kelly’s second comment is correct. The criteria that he is referring to is that asset classes should have the capacity to absorb a meaningful proportion of an investor’s portfolio. He is correct in saying that if liquidity and transaction costs are unfavorable for an investment of a size meaningful for an investor, an asset class may not be a suitable investment for the investor.

我理解T的statement考了很偏的知识点pair wise correlation 但是题目中并没有说“只”考虑 pair wise correlation


相比之下,Kelly 的statement 更不正确,即便是为了rebalance to SAA,也不能要求所有产品都有good liquidity;有的产品本身就是为了liquidity premium拿excess return用的,所以如果出现了不好的liquidity不应该直接放弃,而是应该扩大liquidity range 综合考虑

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lynn_品职助教 · 2024年06月25日

嗨,爱思考的PZer你好:


我理解T的statement考了很偏的知识点pair wise correlation 但是题目中并没有说“只”考虑 pair wise correlation


相比之下,Kelly 的statement 更不正确,即便是为了rebalance to SAA,也不能要求所有产品都有good liquidity;有的产品本身就是为了liquidity premium拿excess return用的,所以如果出现了不好的liquidity不应该直接放弃,而是应该扩大liquidity range 综合考虑


同学说的有道理,我当时在学习三级的时候,这道题第一次做也错了,实际考试中不会出这样字这么多的“判断题”,其实教材就是想让我们学一个知识点。


Kelly的观点是,单个资产类别应该在其内部具有高相关性,但与其他类别的相关性较低。


我们需要的是资产类别之间的低相关性,而并不是一个资产类别中,不同证券或是金融产品之间的低相关性。我们需要在同一个资产类别中,所有的资产都具有较高的相关性,这样才能在大类资产之间配置时,每一类资产都能够具备其风险和收益特征,以便于在整个投资组合中达到最优的风险分散化。


K说的liquidity这句话其实也是一个asset class的标准,在基础班讲义的66页。


这句话出发的角度其实是从为客户选定投资的asset class类别出发的,就是说选来做投资的资产类别要考虑到该资产的可投资性,具体表现在流动性和交易成本两个方面。在对客户做资产类别筛选时,要考虑客户的资产量和对投资的一些限制。


如果投资一项资产所需要的资金量非常庞大,那么对于一个个人投资者来说并不是适合的投资标的。

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