RT Journal Article SR Electronic T1 Of Crap, Black Jack, and Theories of Finance JF The Journal of Portfolio Management FD Institutional Investor Journals SP 1 OP 1 DO 10.3905/jpm.17.1.1 VO 17 IS 1 A2 Peter L. Bernstein YR 1990 UL https://pm-research.com/content/17/1/1.abstract AB