老师好，behavioral factors的6个factor, 哪些是cognitive哪些是emotional呢？另外gamblers' fallacy, conjunction fallacy, social proof, herding, prudence, date-mining这些分别可以归类吗？halo effect应该是emotional的，谢谢

老师好，对于naive diversificaion, gamblers' fallacy, conjunction fallacy, halo effect, prudence这些bias, 原版书有提过consequence和怎么overcome吗？另外data-mining有提过怎么overcome吗？谢谢

老师r14第18题怎么理解？

r14第34题错误选项错在哪里？

1、using judgement guarantees that population subdivisions of interest are represented in the sample 。2、there is significant risk that the sample is not representative of the population. 老师这两怎么判断是否属于non-probability 的且属于哪一种。怎么理解这两句。

老师这题怎么理解。

老师，第十七题怎么查表查不出来

序列相关和自相关什么区别

老师，24题怎么解

It may seem counterintuitive that the domestic currency should be expected to depreciate if its portfolio offers a higher risk-adjusted expected return. The puzzle is resolved by the key phrase “driven to the point . . . ” in this subsection’s opening paragraph. In theory, the exchange rate will instantly move (“jump”) to a level where the currency with higher (lower) risk-adjusted expected return will be so strong (weak) that it will be expected to depreciate (appreciate) going forward. This is known as the overshooting mechanism, introduced by Dornbusch (1976).--这个overshooting 有点忘记到底是什么内容了。