This paper shows the macroeconomic and welfare implications of an aging population in the United States, using an overlapping-generations model with heterogeneous households. The model uses three population projections in Social Security Administration (2003), and generates economies as...

"To examine how local income distribution affects both a community's ability to pay for schooling and the quality of that schooling, this research merges household and school census data from South Africa. Empirical results are twofold. First, while the median income and the average household...

The United States Social Security system is fairly unique in that it explicitly allows for a progressive formulation of retirement benefits by assigning a larger replacement rate to workers with small pre-retirement wages. In contrast, the public pension systems in other countries often replace...

While privatizing Social Security can improve labor supply incentives, it can also reduce risk sharing when households face uninsurable risks. We simulate a stylized 50-percent privatization using an overlapping-generations model where heterogeneous agents with elastic labor supply face...