1. “Demographic Effects on the Equity of Social Security Benefits”;Aaron,1977
2. The Payroll Tax for Social Security.;Brittain,1972
3. “Disentangling the Annuity from the Redistributive Aspects of Social Security in the United States”;Burkhauser;Review of Income and Wealth,1981
4. Welfare in Transition;Erikson,1987
5. “Internal Rates of Return to the Retirèd, Workers-only Beneficiaries under Social Security, 1967–1970”;Freiden,1976