RT Journal Article SR Electronic T1 Artificial Stupidity JF The Journal of Portfolio Management FD Institutional Investor Journals SP 24 OP 29 DO 10.3905/jpm.23.2.24 VO 23 IS 2 A1 Christopher M. Murphy A1 Gary J. Koehler A1 H. Russell Fogler YR 1997 UL https://pm-research.com/content/23/2/24.abstract AB