
- UID
- 222306
- 帖子
- 362
- 主题
- 16
- 注册时间
- 2011-7-2
- 最后登录
- 2015-12-27
|
They are available portfolios and are the most efficient with a given level of risk/return they offer the best other variable (same exp return, lowest STD dev).
_____________________________________________________
-My friend QQQbbe, we will never forget you. |
|