RT Journal Article SR Electronic T1 Artificial Stupidity JF The Journal of Portfolio Management FD Institutional Investor Journals SP 122 OP 123 DO 10.3905/jpm.1997.409623 VO 24 IS 1 A1 Christopher M. Murphy A1 Gary J. Koehler A1 H. Russell Fogler YR 1997 UL https://pm-research.com/content/24/1/122.abstract AB