RT Journal Article SR Electronic T1 Assured Active Management JF The Journal of Investing FD Institutional Investor Journals SP 42 OP 50 DO 10.3905/joi.1996.408403 VO 5 IS 3 A1 Robert A Ferguson A1 Dale Berman YR 1996 UL https://pm-research.com/content/5/3/42.abstract AB