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Qingfeng · 2019年10月04日

经典习题课 R39和40 中的2.2题和2.5题

经典习题课 R39和40 中的2.2题选C,但是2.5题相同的选项C又是错的,两道题的题干有什么区别吗??怎么理解2.5题为什么正确答案是B?2.5题C有错在哪?和2.2题有什么区别?

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Wendy_品职助教 · 2019年10月07日

2.2 When constructing the optimal portfolios for investors with different risk preferences, the investor with the higher risk aversion is most likely to have a: (2016 mock)这道题是考虑optimal portfolios for investors with different risk preferences,研究的是不同投资者的optimal portfolio。

2.5 When considering a portfolio that is optimal for one investor, a second investor with a higher risk aversion would most likely: (2019 mock) 这道题是考虑a portfolio that is optimal for one investor,对于同一个组合,可以直接用utility 公式比较不同的投资者的效用。

 

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