RT Journal Article SR Electronic T1 The Performance Advantage of Small Portfolio Management Firms JF The Journal of Investing FD Institutional Investor Journals SP 40 OP 46 DO 10.3905/joi.4.1.40 VO 4 IS 1 A1 Ted Krum YR 1995 UL https://pm-research.com/content/4/1/40.abstract AB