明同学2020-10-15 11:30:29
Fat-taile asset return distributions are most likely the result of time-varying: 老师,这题答案是volatility of the conditional distribution还是volatility of the unconditional distribution?
回答(1)
Cindy2020-10-15 13:24:53
同学你好,应该是Fat-taile asset return distributions are most likely the result of time-varying:volatility of the unconditional distribution
unconditional distribution这种建模方式是假定波动率恒定,实际上波动率是在变化的,我们最害怕的就是波动率增大的情况,但是这种方法假定波动率是不变的,所以这种方法不会考虑到极端情况,极端情况指的就是肥尾,
- 评论(0)
- 追问(0)
评论
0/1000
追答
0/1000
+上传图片
