问题如下图:
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解释:
在TWRR章节中有提到,如果是已知一年中的4个季度的收益率,那么求年平均收益率TWRR不需要开根号,1+r=(1+r1)(1+r2)(1+r3)(1+r4)。为什么此处开了呢?可以把geometric mean看成是TWRR吗?
NO.PZ2015120604000055问题如下 The quarterly returns for FTSE 100 over the ye2016 were 8%, -5%, 3% an1%. Whis the quarterly geometric mereturn for FTSE 100? A.1.64%.B.1.75%.C.Not available, negative observation exits.A is correctGeometric me=(1.08*0.95*1.03*1.01)0.25 - 1 = 1.64%为什么开根号 不是加起来一年么 无需开根号吧
NO.PZ2015120604000055 问题如下 The quarterly returns for FTSE 100 over the ye2016 were 8%, -5%, 3% an1%. Whis the quarterly geometric mereturn for FTSE 100? A.1.64%. B.1.75%. C.Not available, negative observation exits. A is correctGeometric me=(1.08*0.95*1.03*1.01)0.25 - 1 = 1.64% 请问这一题括号里1.08*0.95*1.03*1.0是怎么求来的?
NO.PZ2015120604000055 如题
1.067348用计算器怎么开4次方