TY - BOOK AU - Feldstein,Martin AU - Ranguelova,Elena TI - Individual risk and intergenerational risk sharing in an investment-based social security system AV - HD7123 F442I PY - 1998/// CY - Cambridge, Mass PB - National Bureau of Economic Research KW - SOCIAL SECURITY KW - UNITED STATES KW - FINANCE KW - ECONOMETRIC MODELS KW - DEFINED CONSTRIBUTION PENSION PLANS KW - ECONOMICS KW - RESERACH ER -