166 countries have some kind of public old age pension. What economic forces create and sustain old age Social Security as a public program? We document some of the internationally and historically common features of Social Security programs including explicit and implicit taxes on labor supply,...

This paper computes the expected present value of Social Security retirement benefits and taxes for households of different marital circumstances, incomes, and age cohorts. Also computed are the net gain or loss from participation in the system and the expected internal rate of return it offers...

The U.S. and other western economies are experiencing dramatic changes in growth and age structure of their populations. Fluctuations in birth rates are the most important determinants of these changes in the post war period. This paper examines the dynamic effects of baby "booms" and...

The effect of social security and other forms of government debt on national savings is one of the most widely debated policy questions in economics today. Some estimates suggest that social security has reduced U.S. savings by almost forty percent. This paper examines recent cross-section and...

This paper determines the standard of living reductions that young, middle aged, and older households would experience were the U.S. government to cut Social Security benefits (but not taxes) to deal with its well documented (see Gokhale and Smetters, 2005) long-term fiscal crisis. To determine...

This paper compares two general methods of privatization social security: forced participation in the new privatized system vs. letting people choose between the new system or staying in social security (i.e., opting out). Simulations are performed using a large scale perfect-foresight OLG...

This paper uses the Auerbach-Kotlikoff Dynamic Life-Cycle Model (AK Model) to examine the macroeconomic and efficiency effects of privatizing social security, and a simple privatization proposal, the Personal Security System, to discuss other issues associated with privatization. According to...

This paper calculates monthly time series for the overall safety net's statutory marginal labor income tax rate as a function of skill and marital status. Marginal tax rates increased significantly for all groups between 2007 and 2009, and dramatically so for unmarried household heads. The...

Inflation-adjusted spending on means-tested subsidies have increased sharply since 2007, and most of this growth was due to changes in eligibility rules, and increases in subsidies per eligible person, rather than increases in the number of people who would have been eligible under pre-recession...