RT Journal Article SR Electronic T1 A new investment strategy for pension funds JF The Journal of Portfolio Management FD Institutional Investor Journals SP 26 OP 34 DO 10.3905/jpm.1981.408809 VO 7 IS 4 A1 Fischer Black A1 Moray P. Dewhurst YR 1981 UL https://pm-research.com/content/7/4/26.abstract AB