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u58178    2021-08-10 20:20:59    

计算过程看不懂

13790722023@163.com    2021-08-10 20:05:08    

这里分子是E（X-U）4次方还是｛E（X-U）｝4次方

150****3904    2021-08-10 16:49:46    

Sd是怎么算出来的

138****8878    2021-08-10 15:39:29    

为什么答案和书上的等权重投资组合方差的公式不一样呢

138****8878    2021-08-10 15:21:56    

能不能解释一下

139****6696    2021-08-10 11:33:03    

B,The CAPM equation is: E(Rj) = RF + βi[E(RM)- RF] Franklin forecasts the beta for CostSave as follows: beta forecast = 0.80 + 0.20 (historical beta) beta forecast = 0.80 + 0.20(1.50) = 1.10 The CAPM required return for CostSave is: 0.05 + 1.1(0.08) = 13.

139****6696    2021-08-10 10:07:24    

Which of the following risks facing a central counterparty (CCP) is most likely to be introduced during a market crisis? A Default risk B Liquidity risk C Operational risk D Settlement and payment risk 是不是四种风险都面临，只是说题目限定了crisis period所以就选了D？

13790722023@163.com    2021-08-09 22:33:51    

这题数理分析哪章提到？？找不到

13790722023@163.com    2021-08-09 22:05:20    

shenmegui，这题要被公式吗？？？ppt上都没这条公式

13790722023@163.com    2021-08-09 21:45:54    

椭圆分布见过几题了，ppt里面有提及到吗？