RT Journal Article SR Electronic T1 Risk-Adjusted Surplus JF The Journal of Investing FD Institutional Investor Journals SP 7 OP 14 DO 10.3905/joi.1.2.7 VO 1 IS 2 A1 Martin L. Leibowitz A1 Stanley Kogelman A1 Lawrence N. Bader YR 1992 UL https://pm-research.com/content/1/2/7.abstract AB