RT Journal Article SR Electronic T1 The Long-Term Case for Equities JF The Journal of Portfolio Management FD Institutional Investor Journals SP 15 OP 24 DO 10.3905/jpm.1994.409499 VO 21 IS 1 A1 Paul A. Samuelson YR 1994 UL https://pm-research.com/content/21/1/15.abstract AB