RT Journal Article SR Electronic T1 Current investor expectations and better betas JF The Journal of Portfolio Management FD Institutional Investor Journals SP 12 OP 17 DO 10.3905/jpm.1983.408938 VO 10 IS 1 A1 Dan W. French A1 John C. Groth A1 James W. Kolari YR 1983 UL https://pm-research.com/content/10/1/12.abstract AB