RT Journal Article SR Electronic T1 The Value-Added/Turnover Frontier JF The Journal of Portfolio Management FD Institutional Investor Journals SP 8 OP 17 DO 10.3905/jpm.1993.8 VO 19 IS 4 A1 Richard C. Grinold A1 Mark Stuckelman YR 1993 UL https://pm-research.com/content/19/4/8.abstract AB