Hubbard, R. G., & Judd, K. L. (1985). Social security and individual welfare: Precautionary saving, liquidity constraints, and the payroll tax. Nat. Bureau of Economic Research.
Chicago-Zitierstil (17. Ausg.)Hubbard, R. Glenn, und Kenneth L. Judd. Social Security and Individual Welfare: Precautionary Saving, Liquidity Constraints, and the Payroll Tax. Cambridge, Mass: Nat. Bureau of Economic Research, 1985.
MLA-Zitierstil (9. Ausg.)Hubbard, R. Glenn, und Kenneth L. Judd. Social Security and Individual Welfare: Precautionary Saving, Liquidity Constraints, and the Payroll Tax. Nat. Bureau of Economic Research, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.