RT Journal Article SR Electronic T1 “Pensions in the American Economy” JF The Journal of Portfolio Management FD Institutional Investor Journals SP 77 OP 78 DO 10.3905/jpm.1985.409006 VO 11 IS 3 A1 Keith P. Ambachtsheer YR 1985 UL https://pm-research.com/content/11/3/77.abstract AB