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Ethan · 2022年06月22日

这道题答案好奇怪,对比TDA和TA的rb的影响,居然从volatility的角度来看

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NO.PZ201805280100000303

问题如下:

The broker suggests that Young rebalance her $5.5 million money market account and the $3.0 million tax-deferred retirement account periodically in order to maintain their targeted allocations. The broker proposes the same risk profile for the equity positions with two potential target equity allocations and rebalancing ranges for the two accounts as follows:
■ Alternative 1: 80% equities +/– 8.0% rebalancing range
■ Alternative 2: 75% equities +/– 10.7% rebalancing range

选项:

解释:

我是直接从tax的影响来写的,老师您看如何?

  • choose alternative 2. money market account has not favorable tax treatment, and shorter investment horizon. so can rebalance less and has wider range, and less on equity.
  • choose alternative 1. TDA has favorable tax treatment, and longer investment horizon. so can rebalance more and has narrower range, and more on equity.


Ethan · 2022年06月22日

如果按题目这个逻辑,是不是也可以说是tax影响trading cost再影响rb?还是直接说税的影响更符合逻辑吧,不然发散就太开了。

2 个答案
已采纳答案

lynn_品职助教 · 2022年06月23日

嗨,从没放弃的小努力你好:


首先,是的,可以从成本角度去说。

从税收的角度,对于TDA,因为投资收益不征税,所以可以频繁调整,那么rebalance range可以tighten一些。


展开说一下波动率、税收和range的关系:

(1)波动率越大,range越窄。因为波动性比较高,说明资产的风险比较大,所以需要做频繁调整,那么就要设定一个比较窄的调整区间。

 

(2)税收越高, range越宽,避免频繁调整实现资本利得产生税费。

 

(3)结论:有税→税后波动率小→ range宽,结果跟成本角度是一样的


money market account has not favorable tax treatment

其次,同学这句话有点问题,虽然CFA改卷是不看语法的哈,但是这里直接说money market account也有一点不明确。

The 5.5m account has no tax benefits直接用答案这句也可以The 5.5m account is after tax.

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lynn_品职助教 · 2022年06月24日

嗨,爱思考的PZer你好:


题目说了5.5m在money market account里啊。写money market account有问题吗?

没有问题,仅仅是觉得写5.5m更快捷而已,同学可以按照自己的习惯答题。

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