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· 2023年08月10日

这题不是选c吗

NO.PZ2022052301000011

问题如下:

Arzac interviews Christine Torok, who has more than 20 years of experience as an equity analyst following the banking industry. Torok considers herself to be one of the most sought after analysts in the market, ranking in the top five analysts in the industry year after year. Her earnings forecasts have tended to be within 1% of actual results. She attributes the accuracy to her firm’s highly complex forecast models, including sensitivity analysis and the confirmation of similar information sourced from multiple databases. She is regularly asked to speak at investment conferences and on TV to make comments on financial securities.

Given Torok’s analysis of the banking industry, she least likely exhibited which of the following behavioral biases?

选项:

A.

Self-attribution

B.

Overconfidence

C.

Illusion of control

解释:

Self-attribution bias is a bias in which people take personal credit for successes and attribute failures to external factors outside the individual’s control. There is no evidence she takes personal credit for her success. Torok actually credits the firm’s financial models for the accuracy of the forecasts.

B is incorrect because Torok is likely overconfident given that she considers herself to be one of the top five analysts in the market and being asked to speak at banking conferences and on TV. She also sources additional information similar in nature, so it is unlikely to increase the accuracy of her forecast but instead reinforces her confidence in that forecast.

C is incorrect because Torok may have been subject to the illusion of control due to using highly complex forecast models. Excess of information cannot eliminate the risk in a model or the modeling process.

不是把准确性归因于model吗


1 个答案

王琛_品职助教 · 2023年08月11日

嗨,努力学习的PZer你好:


1

这道题不选 C 哈,题目问的是 least likely exhibited 最没有展现出来的是哪个偏差

选项 C Illusion of control 是有体现的

因为预测时使用的模型,使用了很多的参数或指标,所以产生了可以控制预测结果的错觉,即认为预测结果会很准

对应的题干是

"complex forecast models, including sensitivity analysis and the confirmation of similar information sourced from multiple databases"

复杂的预测模型,包括敏感性分析,以及对多个相似数据库信息来源的确认

2

关于选项 A,为何题目没有体现,我之前刚好总结过,请同学先参考一下:https://class.pzacademy.com/qa/109229

如果同学还有疑问,可以追问或者评论,我再回答同学的后续疑问哈

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

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