This paper presents a two-period overlapping-generations model in which (i) firms create environmentally harmful emissions as by-products of production, and (ii) social security tax revenue from the working young is transferred to the retired elderly as pay-as-you go social security benefits. In...

This paper develops an overlapping-generations model characterized by endogenous growth, unemployment, and pollution. The paper focuses on the replacement ratio, which measures the proportion of after-tax work earnings replaced by unemployment benefits, and considers a replacement-ratio-neutral...

This paper develops a two-period overlapping-generations model with environmental externalities and uncertain lifetimes, and studies how two sources of population aging, greater longevity and a lower rate of population growth, affect the politically determined environmental tax and the quality...