RT Journal Article SR Electronic T1 You can NOT live with one decision JF The Journal of Portfolio Management FD Institutional Investor Journals SP 50 OP 73 DO 10.3905/jpm.1974.408482 VO 1 IS 1 A1 Richard A. Crowell YR 1974 UL https://pm-research.com/content/1/1/50.abstract AB