RT Journal Article SR Electronic T1 Membership Effects in the Russell 2000 JF The Journal of Investing FD Institutional Investor Journals SP 48 OP 63 DO 10.3905/joi.4.1.48 VO 4 IS 1 A1 Eric J. Weigel A1 Katie B. Weigel YR 1995 UL https://pm-research.com/content/4/1/48.abstract AB