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Stella · 2024年06月22日

这道题很简单,只是不理解后面这句话

* 问题详情,请 查看题干

NO.PZ202206210100000202

问题如下:

When discussing asset allocation corridors with Shipman, which of Remington’s and Montgomery’s statements is the least accurate? The one regarding:

选项:

A.volatility. B.correlation. C.transaction costs.

解释:

Solution

A is correct. The statement regarding volatility is the least accurate. The higher the volatility of the rest of the portfolio, excluding the asset class being considered, the more likely a large divergence from the strategic asset allocation becomes, which should point to a narrower optimal corridor, all else being equal.

B is incorrect. The higher the correlation of an asset class with the rest of the portfolio, the wider the optimal corridor. When asset classes move in sync, further divergence from target weights is less likely.

C is incorrect. The higher the transaction costs, the wider the optimal corridor. High transaction costs set a high hurdle for rebalancing benefits to overcome.

, excluding the asset class being considered, the wider the corridor.

请问这句话是什么意思

1 个答案
已采纳答案

Lucky_品职助教 · 2024年06月24日

嗨,爱思考的PZer你好:


同学你好:


我们在评判资产volatility 和 Rebalance range 之间关系的时候,会有两个角度。因为一个portfolio内,不是单单只有一种资产,我们不仅要看某一个单一资产的volatility 大小,同时也要看组合内其他资产的volatility 大小,结论是,无论是我们所要评判的资产,还是组合内其他资产,只要波动越大,range就越窄。


excluding the asset class being considered这句话的意思就是,除去我们现在想要考察的这个资产,portfolio内的其他资产波动性如何。

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