RT Journal Article SR Electronic T1 Why Not 100% Equities JF The Journal of Portfolio Management FD Institutional Investor Journals SP 29 OP 34 DO 10.3905/jpm.1996.29 VO 22 IS 2 A1 Clifford S. Asness YR 1996 UL https://pm-research.com/content/22/2/29.abstract AB