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shyconan · 2022年07月04日

No.PZ201511190100000403 为什么不是overconfidence?

* 问题详情,请 查看题干

NO.PZ201511190100000403

问题如下:

Which of the following behavioral biases would be most relevant in constructing a portfolio for Johnson?

选项:

A.

Home bias.

B.

Overconfidence.

C.

Inertia and default.

解释:

A is correct.

Home bias is evident in Johnson’s questionnaire. Johnson has expressed an aversion to investing in non-US equities. Familiarity with their country may lead investors to own high concentrations of domestic assets and ignore the benefits of international diversification.

J推断为AA,为什么不是overconfidence

2 个答案

王琛_品职助教 · 2022年07月06日

嗨,从没放弃的小努力你好:


同学对我之前的回答,给了三星差评

如果同学给了三星差评,助教是需要重新作答的

但是我不清楚是具体哪里回答的不好,或者同学还需要我解答哪个方面的疑问,还请同学具体说明一下哈

我好更有针对性提升答疑水平,为同学更好的服务,谢谢

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加油吧,让我们一起遇见更好的自己!

王琛_品职助教 · 2022年07月05日

嗨,从没放弃的小努力你好:


1

这道题的解题思路,并不是先判断客户的投资者分类,然后根据具体的投资者分类,识别可能有的偏差类型

如果这样考查,有点偏记忆了;而且 AA 可能的偏差,也不只 Overconfidence,还有 Self-control 和 Illusion of control,如果选项同时出现这三个偏差中的两个,同学会怎么选呢?

2

因为是客观题,所以选项相当于是给考生的提示

通过看三个选项,解析思路其实就是识别行为偏差,所以需要回到案例背景中去找相关的关键句

对应的是 On her questionnaire, Johnson indicated a desire for wealth accumulation and an aversion to investing in non-US equities

翻译过来简单说就是:只投资美国的股票,所以出题人是想考查考生对于 home bias 的理解

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就算太阳没有迎着我们而来,我们正在朝着它而去,加油!

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