RT Journal Article SR Electronic T1 Trends JF The Journal of Portfolio Management FD Institutional Investor Journals SP 50 OP 55 DO 10.3905/jpm.1991.50 VO 17 IS 2 A1 Martin S. Fridson A1 Angelo De Candia YR 1991 UL https://pm-research.com/content/17/2/50.abstract AB