TY - BOOK AU - Abel,Andrew B. TI - The social security trust fund, the riskless interest rate, and capital accumulation AV - HD7125 A234S PY - 1999/// CY - Cambridge, Mass PB - National Bureau of Economic Research KW - SOCIAL SECURITY KW - UNITED STATES KW - FINANCE KW - ECONOMETRIC MODELS KW - INVESTMENT OF PUBLIC FUNDS KW - ECONOMETRIC MODEL KW - SAVING AND INVESTMENT KW - INTEREST RATE RISK ER -