RT Journal Article SR Electronic T1 Thoughts about the future of implementable indexing without cap-weights JF The Journal of Portfolio Management FD Institutional Investor Journals SP 24 OP 26 DO 10.3905/jpm.1991.409391 VO 18 IS 1 A1 F.J. Gould YR 1991 UL https://pm-research.com/content/18/1/24.abstract AB