RT Journal Article SR Electronic T1 The future for quantitative investment products JF The Journal of Portfolio Management FD Institutional Investor Journals SP 79 OP 79 DO 10.3905/jpm.1989.409193 VO 15 IS 2 A1 Robert D. Arnott YR 1989 UL https://pm-research.com/content/15/2/79.abstract AB