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？
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。
NO.PZ2015121802000019 问题如下 Calculate the perioc money-weighterate of return on the investment baseon the following information:t=0, buy a share of stofor $45.t=1, buy another share of the same stofor $55.t=2, sell both shares $65 for eashareThe stopaia vinof $1 per share t = 1 ant =2. A.23.8%. B.22.0%. C.21.5% C is correct.Use calculator's cash flow functions anfollow the steps as: CF0 = -45; CF1 = -55+ 1 = -54; CF2 = 65 x 2 + 2 = 132; CPT IRR =21.5%. 如题，谢谢 :)
NO.PZ2015121802000019问题如下 Calculate the perioc money-weighterate of return on the investment baseon the following information:t=0, buy a share of stofor $45.t=1, buy another share of the same stofor $55.t=2, sell both shares $65 for eashareThe stopaia vinof $1 per share t = 1 ant =2. A.23.8%.B.22.0%.C.21.5%C is correct.Use calculator's cash flow functions anfollow the steps as: CF0 = -45; CF1 = -55+ 1 = -54; CF2 = 65 x 2 + 2 = 132; CPT IRR =21.5%.第2时刻为什么不是65*2+2*2，不是有两支股票的分红吗，能给下用算器算的步骤吗
NO.PZ2015121802000019 问题如下 Calculate the perioc money-weighterate of return on the investment baseon the following information:t=0, buy a share of stofor $45.t=1, buy another share of the same stofor $55.t=2, sell both shares $65 for eashareThe stopaia vinof $1 per share t = 1 ant =2. A.23.8%. B.22.0%. C.21.5% C is correct.Use calculator's cash flow functions anfollow the steps as: CF0 = -45; CF1 = -55+ 1 = -54; CF2 = 65 x 2 + 2 = 132; CPT IRR =21.5%. RT
NO.PZ2015121802000019问题如下 Calculate the perioc money-weighterate of return on the investment baseon the following information:t=0, buy a share of stofor $45.t=1, buy another share of the same stofor $55.t=2, sell both shares $65 for eashareThe stopaia vinof $1 per share t = 1 ant =2. A.23.8%.B.22.0%.C.21.5%C is correct.Use calculator's cash flow functions anfollow the steps as: CF0 = -45; CF1 = -55+ 1 = -54; CF2 = 65 x 2 + 2 = 132; CPT IRR =21.5%.请问1时刻已经有两支股票了为什么只有一个分红？
NO.PZ2015121802000019 CF1的时候为什么是-55+1而不是-55+2？刚买的股票不算分红吗？