RT Journal Article SR Electronic T1 Risk-Efficient Lottery Bets?! JF The Journal of Portfolio Management FD Institutional Investor Journals SP 25 OP 28 DO 10.3905/jpm.1987.25 VO 14 IS 1 A1 Donald J. Smith YR 1987 UL https://pm-research.com/content/14/1/25.abstract AB