Feldstein, M., & Samwick, A. (2000). Allocating payroll tax revenue to personal retirement accounts to maintain social security benefits and the payroll tax rate. National Bureau of Economic Research.
Dyfyniad Arddull ChicagoFeldstein, Martin, and Andrew Samwick. Allocating Payroll Tax Revenue to Personal Retirement Accounts to Maintain Social Security Benefits and the Payroll Tax Rate. Cambridge: National Bureau of Economic Research, 2000.
Dyfyniad MLAFeldstein, Martin, and Andrew Samwick. Allocating Payroll Tax Revenue to Personal Retirement Accounts to Maintain Social Security Benefits and the Payroll Tax Rate. National Bureau of Economic Research, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.