RT Journal Article SR Electronic T1 The efficient market inefficiency of capitalization–weighted stock portfolios JF The Journal of Portfolio Management FD Institutional Investor Journals SP 35 OP 40 DO 10.3905/jpm.1991.409335 VO 17 IS 3 A1 Robert A. Haugen A1 Nardin L. Baker YR 1991 UL https://pm-research.com/content/17/3/35.abstract AB