LEVEL1 NOTES BOOK1 page70
有这样一句话
The firm should identify which composite each managed portfolio is to be included in before the portfolio's performance is known. This prevents firms from choosing portfolios to include in a composite in order to create composites with superior return.
什么叫做superior return呢？为什么建立composite就可以防止superior return呢？
我是菜鸟。。。谢谢大家啊！