RT Journal Article SR Electronic T1 Embarrassment and riches JF The Journal of Portfolio Management FD Institutional Investor Journals SP 6 OP 11 DO 10.3905/jpm.1990.409296 VO 17 IS 1 A1 Lawrence S. Speidell YR 1990 UL https://pm-research.com/content/17/1/6.abstract AB