RT Journal Article SR Electronic T1 Post-Modern Portfolio Theory Comes of Age JF The Journal of Investing FD Institutional Investor Journals SP 27 OP 33 DO 10.3905/joi.2.4.27 VO 2 IS 4 A1 Brian M. Rom A1 Kathleen W. Ferguson YR 1993 UL https://pm-research.com/content/2/4/27.abstract AB