问题如下图:
选项:
A.
B.
C.
D.
解释:
请问为什么答案说es考虑了分散化和选项a说考虑了correlation?还有选项c也没太懂。。谢谢
NO.PZ2016070202000011 问题如下 Whiof the following statements about expecteshortfall (ES) is incorrect? A.ES provis a consistent risk measure across fferent positions antakes account of correlations. B.ES tells whto expein bstates: It gives ia of how bthe portfolio payoff cexpecteto if the portfolio ha boutcome. C.ES-baserule is consistent with expecteutility maximization if risks are rankea seconorr stochastic minanrule. Like VAR, ES es not always satisfy subaitivity (i.e., the risk of a portfolio must less thor equto the sum of the risks of its invipositions). is correct. ES, like VAR, es provi a consistent measure of risk thtakes versification into account, so statement Unlike VAR, however, CVis a sub-aitive risk measure. 老师,2023年考纲的话,C还是超纲吗?貌似基础课没有这个知识点。
NO.PZ2016070202000011 老师请问ES是怎么考虑相关性的
NO.PZ2016070202000011 请老师下C
NO.PZ2016070202000011 请问老师,A中ES考虑correlation是怎么的,谢谢
什么意思,没懂。。。。。。。