问题如下图：
选项：
A. 
B. 
C. 
解释：
Perez文章中有三个偏差：hindsight（认知偏差）、Fram（心理偏差）、loss aversion（心理偏差）。两个心理偏差呀应该更偏离传统金融呀
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。。
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。
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？
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。
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？
