RT Journal Article SR Electronic T1 Trading JF The Journal of Portfolio Management FD Institutional Investor Journals SP 10 OP 12 DO 10.3905/jpm.1981.408836 VO 8 IS 1 A1 Dean LeBaron A1 Evan Schulman YR 1981 UL https://pm-research.com/content/8/1/10.abstract AB