1、On the Predictability of Common Stock Returns: World-Wide Evidence
作者：Gabriel Hawawini  Donald B. Keim
杂志:   Rodney L. White Center for Financial Research Working Papers
链接：http://econpapers.repec.org/paper/fthpennfi/22-94.htm
2、On the Predictability of Stock Returns in Real Time
作者：Michael J. Cooper   Roberto C. Gutierrez Jr.Bill Marcum
杂志：working paper
链接: http://papers.ssrn.com/sol3/papers.cfm?abstract_id=92628