RT Journal Article SR Electronic T1 Shortfall risk and the asset allocation decision JF The Journal of Portfolio Management FD Institutional Investor Journals SP 61 OP 68 DO 10.3905/jpm.1989.409236 VO 16 IS 1 A1 Martin L. Leibowitz A1 Terence C. Langetieg YR 1989 UL https://pm-research.com/content/16/1/61.abstract AB