7Martin Feldstein,1974,Social Security,Induced Retirement,and Aggregate Capital Accumulation,The Journal of Political Economy,Vol.82,No.5 (Sep.-Oct.,1974),pp.905-926.
8Alicia H.Munnell,1976,Private Pensions and Savings:New Evidence,The Journal of Political Economy,Vol.84,No.5 (Oct.,1976),pp.1013-1032.
9Zeldes,S.P.,1989,"Consumption and Liquidity Constraint:An Empirical Investigation,"Journal of Political Economy,97,305-346.
10R.Glenn Hubbard,Jonathan Skinner,Stephen P.Zeldes,"Precautionary Saving and Social Insurance",The Journal of Political Economy,Vol.103,No.2 (Apr.,1995),pp.360-399.