TY - BOOK AU - Gustman,Alan L. AU - Steinmeier,Thomas L. TI - Changing pensions in cross-section and panel data : analysis with employer provided plan descriptions AV - HD7105.45 .U6 G877C PY - 1998/// CY - Cambridge, Mass PB - National Bureau of Economic research KW - DEFINED BENEFIT PENSION PLANS KW - UNITED STATES KW - ECONOMICS KW - RESEARCH ER -