RT Journal Article SR Electronic T1 Past investment performance JF The Journal of Portfolio Management FD Institutional Investor Journals SP 43 OP 45 DO 10.3905/jpm.1980.408731 VO 6 IS 2 A1 Jon S. Brightman A1 Barbava L. Haslanger YR 1980 UL https://pm-research.com/content/6/2/43.abstract AB