This is the introduction and summary to the fourth phase of an ongoing project on Social Security Programs and Retirement Around the World. The first phase described the retirement incentives inherent in plan provisions and documented the strong relationship across countries between social...

A structural life-cycle retirement model with an improved specification over previous models is used to analyze and compare the long-run labor supply effects of the rules for Social Security in place in 1972,1977 and 1983, and for an actuarially fair system. The effects of separate provisions...

Governments around the world have enacted or are currently considering fundamental structural reforms of their Social Security pension programs. The key feature in these reforms is a shift from a pure pay-as-you-go tax-financed system, in which taxes on current workers are primarily distributed...

This study examines how elderly employment is associated with social security programs and how it responds to recent reforms in Japan. To this end, we employed a rich and longitudinal dataset of middle-aged and older individuals collected between 2005 and 2018. By incorporating various factors...

Beginning with the 1996 federal welfare reform law many of the central safety net programs in the U.S. eliminated eligibility for legal immigrants, who had been previously eligible on the same terms as citizens. These dramatic cutbacks affected eligibility not only for cash welfare assistance...

This paper presents the results of a computer simulation of the expected present value of benefits, taxes, and transfers, rates of return, and marginal linkage of benefits and taxes for persons of different income levels and family status. A number of important issues associated with the "deal"...