RT Journal Article SR Electronic T1 Dedicated stock portfolios JF The Journal of Portfolio Management FD Institutional Investor Journals SP 17 OP 22 DO 10.3905/jpm.1990.409288 VO 16 IS 4 A1 Robert A. Haugen A1 Nardin L. Baker YR 1990 UL https://pm-research.com/content/16/4/17.abstract AB