RT Journal Article SR Electronic T1 Further evidence on the predictability of international equity returns JF The Journal of Portfolio Management FD Institutional Investor Journals SP 48 OP 53 DO 10.3905/jpm.1991.409385 VO 18 IS 1 A1 A. Michael Keppler YR 1991 UL https://pm-research.com/content/18/1/48.abstract AB