老师，我最近在同步看NOTES，行为金融学中有道题如图。请问题目的statement为何是错的呢，没太看懂答案，谢谢。

保存时间： CFA7年 公司4年 法律5年 应该保存几年

请问一下老师，discretionary account与non-discretionary account有什么区别？non-discretionary account在交易的时候需要避嫌么？

P73 的例题，为什么不能是overconfidence

什么是fmp？

请问老师这一题中，他看到了清单然后买了里面推荐的票，这也不勤勉尽职吧，C应该违法吧，A感觉比C还强点，在公司上班 看到个清单就行为不当，这不说服力太低吧。 望解答谢谢

Regret-aversion 中提到，因为怕后悔可能会不做某事，那这个和 status quo bias有何区别呢？两者如何辨析？

PPT44页上的例题，解答里面从每1cny的角度计算风险，为啥不是每 7.1621cn

老师好，关于这部分知识想系统学习一下，基本不会算，谢谢！

Example 9 (Mosaic Theory): John Doll is a research analyst for a hedge fund that also sells its research to aselect group of paying client investment firms. Doll’s focus is medical technologycompanies and products, and he has been in the business long enough and has been successfulenough to build up a very credible network of friends and experts in the business.Doll has been working on a major research report recommending Boyce Health, a medicaldevice manufacturer. He recently ran into an old acquaintance at a wedding who isa senior executive at Boyce, and Doll asked about the business. Doll was drawn toa statement that the executive, who has responsibilities in the new products area,made about a product: “I would not get too excited about the medium-term prospects;we have a lot of work to do first.” Doll incorporated this and other information aboutthe new Boyce product in his long-term recommendation of Boyce. 请问这个有无违反道德准则呢，书上未正面回答，谢谢老师。