Economic links and predictable returns

被引：655

作者：

Cohen, Lauren ^{[1
,2
]}

Frazzini, Andrea ^{[2
,3
]}

机构：

[1] Harvard Univ, Sch Business, Cambridge, MA 02138 USA

[2] NBER, Cambridge, MA 02138 USA

[3] Univ Chicago, Grad Sch Business, Chicago, IL 60637 USA

来源：

JOURNAL OF FINANCE | 2008年 / 63卷 / 04期

关键词：

D O I：

10.1111/j.1540-6261.2008.01379.x

中图分类号：

F8 [财政、金融];

学科分类号：

0202 ;

摘要：

This paper finds evidence of return predictability across economically linked firms. We test the hypothesis that in the presence of investors subject to attention constraints, stock prices do not promptly incorporate news about economically related firms, generating return predictability across assets. Using a data set of firms' principal customers to identify a set of economically related firms, we show that stock prices do not incorporate news involving related firms, generating predictable subsequent price moves. A long-short equity strategy based on this effect yields monthly alphas of over 150 basis points.

引用

页码：1977 / 2011

页数：35

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