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...

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"...

This paper estimates the effects on steady state retirement by men of changes in pension" plans and social security in the 1970's and 1980's. Work incentives associated with pension" coverage and plan characteristics are calculated primarily from the 1969-79 Retirement History" Study and the...

We examine the relationship between immigration and attitudes toward redistribution using a newly assembled data set of immigrant stocks for 140 regions of 16 Western European countries. Exploiting within-country variations in the share of immigrants at the regional level, we find that native...

We develop a dynamic politico-economic theory of welfare state, featuring three groups of voters: skilled workers, unskilled workers, and old retirees. The welfare-state is modeled by a proportional tax on labor income to finance a demogrant in a balanced-budget manner to capture the essence of...

We develop a dynamic politico-economic theory of welfare state and immigration policies, featuring three groups of voters: skilled workers, unskilled workers, and old retirees. The welfare-state is modeled by a proportional tax on labor income to finance a demogrant in a balanced-budget manner...

In this paper we develop an approach to measuring inequality and poverty that recognizes the fact that individuals within households may have both different preferences and differential access to resources. We argue that a measure based on estimates of the sharing rule is inadequate as an...