RT Journal Article SR Electronic T1 An Option for the Age of Stability JF The Journal of Portfolio Management FD Institutional Investor Journals SP 27 OP 30 DO 10.3905/jpm.1978.408625 VO 4 IS 2 A1 Alan J. Bloch YR 1978 UL https://pm-research.com/content/4/2/27.abstract AB