问题如下:
What of the following is the drawback of risk-based approach to asset classification?
选项:
A.It overestimates the portfolio diversification.
It is sensitive to historical look-back period.
It has united risk factor identification.
解释:
B is correct.
The major drawback of risk factor based approach is that it depends on the histocial data and the sepecific data period.
C、选项什么意思