- UID
- 223298
- 帖子
- 283
- 主题
- 144
- 注册时间
- 2011-7-11
- 最后登录
- 2013-9-10
|
为什么下面两句话正确:
1. The contribution of currency risk to portfolio standard deviation decreases as a function of the investment horizon.
2. Correlations among country return increase when markets become more volatile. |
|