Income inequality has been increasing in the United States over the past 25 years. Many argue that rising inequality is not a serious issue because income or social mobility reduces inequality and increases well-being. These observers point to studies showing considerable upward mobility. This...

Several studies have found mortality differences by income level — higher income individuals tend to live longer — and these differences have been growing over time. This differential mortality could affect measured cohort income inequality because the bottom of the income distribution will...

This study examines the link between income inequality and redistribution. Specifically, how inequality of market incomes affects (1) the size of the tax and transfer system, and (2) the redistributive effect of the tax and transfer system. Two models of government decision-making — the median...