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15288973619 · 2023年07月31日

benchmark

NO.PZ2023010903000011

问题如下:

The Cherry Street Foundation is a nonprofit institution that provides resources for refugee children around the world. Over the last several years, Cherry Street has experienced a significant increase in donations, resulting in an increase to the foundation's investment portfolio of more than $100 million. Consequently, Ellie Blumenstock, CFA, Cherry Street's founder, recently concluded that the time had come to hire a professional chief investment officer(CIO) to manage this large pool of assets. Today, Blumenstock is interviewing A.J. Gelormini,a portfolio manager with over two decades of experience, for the CIO role.

At the start of the interview, Blumenstock asks Gelormini to explain his approach to investing in global equities. Gelormini's response includes the following statements:

Statement 1: I would utilize actively managed funds in equity market segments where the manager has confidence that the benchmark can be beaten, the liquidity of the underlying securities in the benchmark is thin, and the number of securities in the benchmark is broad. Cherry Street's tax-exempt status makes any tax burden associated with an actively managed strategy irrelevant.

The rationale provided by Gelormini in Statement 1 is most likely incorrect because:

选项:

A.

the benchmark should have a limited number of underlying securities

B.

the benchmark's underlying securities should have significant depth of liquidity

C.

the tax burden is not a factor in considering actively managed strategies

解释:

The rationale provided by Gelormini in Statement 1 is incorrect because active managers normally must have benchmarks with sufficient liquidity of underlying securities.

benchmark里不是要求所有股票都流动性很好吧?这也是完全复制难以做到的原因不是吗?

2 个答案

笛子_品职助教 · 2023年08月02日

嗨,从没放弃的小努力你好:


Hello,亲爱的同学~

B不选哦。


同学说的“benchmark里不是要求所有股票都流动性很好吧?这也是完全复制难以做到的原因不是吗?”

这句话的理解本身没有问题的。只是同学对这个知识点的理解,与这道题没有关系。

被动投资,遇到流动性不好,股票数量太多的benchmark,确实是难以复制,这就是原版书的知识点。遇到这样的benchmark,我们不能使用full replication方法,要使用sample stratify或optimal 方法。


而这道题,问的是主动投资,active manager。active manager需要benchmark有好的流动性。

同学不能用被动投资的知识点,来解决主动投资的题目哈。

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加油吧,让我们一起遇见更好的自己!

笛子_品职助教 · 2023年08月01日

嗨,从没放弃的小努力你好:


benchmark里不是要求所有股票都流动性很好吧?这也是完全复制难以做到的原因不是吗?

理解正确。

benchmark里会有流动性不好的股票。对于这种benchmark,完全复制做不到。

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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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