frr07172018-03-19 11:04:20
老师, 为什么: Some securities are correlated with each other (such as all bonds being subject to duration risk), and thus breadth is considerably less than the number of securities held in the portfolio. 请解释下, 谢谢~
回答(1)
最佳
Vincent2018-03-20 14:00:31
要看上下文。我现在的理解是因为资产间有相关性,他们对于某个因子的反应有趋同性,不如他们的分类五花八门。
- 评论(0)
- 追问(0)
评论
0/1000
追答
0/1000
+上传图片