RT Journal Article SR Electronic T1 On the Risk of Stocks in the Long Run JF The Journal of Portfolio Management FD Institutional Investor Journals SP 60 OP 69 DO 10.3905/jpm.1998.409637 VO 24 IS 3 A1 Haim Levy A1 Allon Cohen YR 1998 UL https://pm-research.com/content/24/3/60.abstract AB