RT Journal Article SR Electronic T1 Keep Profits JF The Journal of Portfolio Management FD Institutional Investor Journals SP 5 OP 15 DO 10.3905/jpm.1978.408652 VO 4 IS 4 A1 Arnold X. Moskowitz A1 George A. Harben YR 1978 UL https://pm-research.com/content/4/4/5.abstract AB