RT Journal Article SR Electronic T1 Mutual Fund Managers' Efforts and Performance JF The Journal of Investing FD Institutional Investor Journals SP 68 OP 75 DO 10.3905/joi.1998.408478 VO 7 IS 4 A1 James S. Ang A1 Carl R. Chen A1 James Wuh Lin YR 1998 UL https://pm-research.com/content/7/4/68.abstract AB