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常晓磊 · 2020年09月16日

问一道题：NO.PZ201511190100000404 第4小题 [ CFA III ]

  1. CFA III
  2. Behavioral Finance

* 问题详情，请 查看题干

问题如下：

Which investment portfolio is least likely to deviate from the mean–variance portfolio?

选项：

A.

Patel.

B.

Perez.

C.

Johnson.

解释：

B is correct.

Perez has primarily cognitive error biases. Accordingly, it is likely that, with education, the impact of these biases can be reduced or even eliminated. Because cognitive biases dominate, Wang should seek to moderate the effect of these biases and adopt a program to reduce or eliminate the bias rather than accept the bias. The result will be a portfolio that is similar to the mean–variance portfolio.

正确选项这个人文中说要投ESOP，应该集中度最高，最不可能是mean-veriance吧
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1 个答案

王琛_品职助教 · 2020年09月16日

嗨，爱思考的PZer你好：


同学你好，

  • 我理解你可能没有找准这道题想考察的点
  • Perez 只是说有这个想法，并不是说组合中已经有大量的 employer’s stock。关键这个细节，并不是这道题的突破口
  • 关于解题思路，请参考：https://class.pzacademy.com/qa/42723
  • 这道题是课后题第 4 题，也可以听一下李老师的课后题讲解哈
​

-------------------------------
努力的时光都是限量版，加油！


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NO.PZ201511190100000404 问题如下 Whiinvestment portfolio is least likely to viate from the mean–varianportfolio? A.Patel. B.Perez. C.Johnson. B is correct.Perez hprimarily cognitive error biases. Accorngly, it is likely that, with ecation, the impaof these biases creceor even eliminate Because cognitive biases minate, Wang shoulseek to morate the effeof these biases anapt a progrto reor eliminate the birather thaccept the bias. The result will a portfolio this similto the mean–varianportfolio. 不太理解为什么cognitive更不会偏离mean-varianportfolio？2.还有一个问题，这里的Perez和Patel哪个是PP，哪个是FF啊？感觉很难区分，然后我做的时候是认为Perez是PP，Patel是FF，所以第2，4题都选错了。。

2022-12-06 13:06 1 · 回答

NO.PZ201511190100000404 问题如下 Whiinvestment portfolio is least likely to viate from the mean–varianportfolio? A.Patel. B.Perez. C.Johnson. B is correct.Perez hprimarily cognitive error biases. Accorngly, it is likely that, with ecation, the impaof these biases creceor even eliminate Because cognitive biases minate, Wang shoulseek to morate the effeof these biases anapt a progrto reor eliminate the birather thaccept the bias. The result will a portfolio this similto the mean–varianportfolio. 如题。

2022-11-02 20:56 1 · 回答

NO.PZ201511190100000404 问题如下 Whiinvestment portfolio is least likely to viate from the mean–varianportfolio? A.Patel. B.Perez. C.Johnson. B is correct.Perez hprimarily cognitive error biases. Accorngly, it is likely that, with ecation, the impaof these biases creceor even eliminate Because cognitive biases minate, Wang shoulseek to morate the effeof these biases anapt a progrto reor eliminate the birather thaccept the bias. The result will a portfolio this similto the mean–varianportfolio. 考点不应该是组合过于集中吗？所以不可能产生均值回归？

2022-08-25 22:28 1 · 回答

NO.PZ201511190100000404 Perez. Johnson. B is correct. Perez hprimarily cognitive error biases. Accorngly, it is likely that, with ecation, the impaof these biases creceor even eliminate Because cognitive biases minate, Wang shoulseek to morate the effeof these biases anapt a progrto reor eliminate the birather thaccept the bias. The result will a portfolio this similto the mean–varianportfolio. 答案是从FF，cognitive多，可以改进，所以更可能接近mvo。但是我觉得，A直接说了他想主投东家的股票，这怎么可能是MVO？B说想投国内的，肯定也不是。只有C最胆小，没有啥偏好，最可能mvo。

2022-06-27 14:39 1 · 回答

NO.PZ201511190100000404 对于emotionbias，Perez只有regret aversion, Johnson只有overconfince。这么看来两人在被教育后都有相同程度的viation吧？还是说Johnson的home bias也属于emotionbias？

2021-04-12 03:58 1 · 回答