Belgium like many other industrialized countries is facing serious problems in financing its social security. Whereas the effects of aging are still to come, Belgium currently experiences one of the lowest attachments to the labor force of older persons. This paper presents the key features of...

We survey the literature on social insurance, focusing on recent work that has connected theory to evidence to make quantitative statements about welfare and optimal policy. Our review contains two parts. We first discuss motives for government intervention in private insurance markets, focusing...

This paper examines how labor income volatility and social security benefits can influence lifecycle household portfolios. We examine how much the individual optimally saves and where, taking into account liquid financial wealth and annuities, and stocks as well as bonds. Higher labor income...

This paper, a forthcoming chapter in the Handbook of Public Economics, reviews the theoretical and empirical issues dealing with Social Security pensions. The first part of the paper discusses pure pay-as-you-go plans. It considers the effects of introducing such a plan on the present value of...

The social security payroll tax has become the largest tax paid by the majority of American households. Although, the statutory marginal social security tax rate is the same for all those with wage and salary income up to the maximum level, the complex rules linking social security taxes and...

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 examines the welfare consequences of social safety nets in developing economies relative to developed economies. Using panel surveys of households in Indonesia and the United States, we find that food consumption falls by approximately ten percent when individuals become unemployed in...

The manifest purposes of integrating an employer-provided pension plan with social security are:(1) to ensure retirement income adequacy for all covered employees; and (2) to ensure retirement income equity, defined as equal total replacement rates for all employees regardless of salary level....

According to CPS data, men 65 to 69 were about six percentage points less likely to be retired in 2004 than in 1992. CPS and Health and Retirement Study (HRS) data indicate a corresponding difference of 3 percentage points between 1998 and 2004. Simulations with a structural retirement model...