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120555137 · 2022年11月30日

这里题干哪里体现出是bubble,感觉说是momentum也可以

NO.PZ2022052301000006

问题如下:

Over the next week, Owen and Yang are scheduled to meet with Fillman Associates, Philly’s largest institutional client. Owen mentions that Fillman is more sophisticated than Philly’s typical client. To prepare for the meeting Yang reviews several of Fillman’s annual due diligence forms completed by Owen. One question in particular catches her attention: it asked how the firm’s equity portfolios performed during the 2005–2007 residential property boom and how the equity turnover rates varied from previous years when the markets were more efficient. In part, the response read, “During the residential property boom of 2005–2007 equity trading activity was significantly higher than previous years when the markets were more efficient. Our trading expertise allowed us to consistently harvest profits.”

What behavioral bias is most likely indicated by Philly’s equity turnover rates during the 2005–2007 residential boom?

选项:

A.

Herding

B.

Overconfidence

C.

Recency effect

解释:

Philly’s increased trading activity is indicative of overconfidence. In bubbles investors often exhibit symptoms of overconfidence; overtrading, under-estimation of risks, failure to diversify, and rejection of contradictory information. With overconfidence, investors are more active and trading volume increases, thus lowering their expected profits. Overconfidence and excessive trading are linked to confirmation bias and self-attribution bias as well as hindsight bias and the illusion of knowledge.

这里题干哪里体现出是bubble,感觉说是momentum也可以,只是说选项里有两个momentum相关的bias

1 个答案

王琛_品职助教 · 2022年12月01日

嗨,从没放弃的小努力你好:


1

我理解同学的思路是

Momentum 现象的解释,涉及 4 个偏差,选项涉及 2 个

Bubble 现象解释,涉及 8 个偏差,选项涉及 1 个

所以根据选项涉及的偏差个数,分析所说的是 bubble,然后选出涉及的那一个偏差

2

但其实这道题的关键,并不是区分 bubble 和 momentum,更加关键的是要从案例背景中,分析出三个选项

这道题我之前刚好总结过,请同学先参考一下:https://class.pzacademy.com/qa/105603

如果还有疑问,可以追问或者评论,我再回答同学的后续疑问

----------------------------------------------
虽然现在很辛苦,但努力过的感觉真的很好,加油!

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NO.PZ2022052301000006问题如下 Over the next week, Owen anYang are scheleto meet with FillmAssociates, Philly’s largest institutionclient. Owen mentions thFillmis more sophisticatethPhilly’s typicclient. To prepare for the meeting Yang reviews severof Fillman’s annue ligenforms completeOwen. One question in particulcatches her attention: it askehow the firm’s equity portfolios performering the 2005–2007 resintiproperty boom anhow the equity turnover rates variefrom previous years when the markets were more efficient. In part, the response rea “ring the resintiproperty boom of 2005–2007 equity trang activity wsignificantly higher thprevious years when the markets were more efficient. Our trang expertise alloweus to consistently harvest profits.”Whbehaviorbiis most likely incatePhilly’s equity turnover rates ring the 2005–2007 resintiboom? A.HerngB.OverconfinceC.Receneffect Philly’s increasetrang activity is incative of overconfince. In bubbles investors often exhibit symptoms of overconfince; overtrang, unr-estimation of risks, failure to versify, anrejection of contractory information. With overconfince, investors are more active antrang volume increases, thus lowering their expecteprofits. Overconfinanexcessive trang are linketo confirmation bianself-attribution biwell hinight bianthe illusion of knowlee. herng也会产生过度交易啊

2023-04-28 15:12 1 · 回答

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2023-01-28 08:24 1 · 回答

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2022-12-05 15:13 1 · 回答

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