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...

Two issues may have a tremendous impact on the adequacy of retirement income for today's workers: The growth of 401(k) pension plans and the possible privatization of Social Security. Workers are becoming increasingly responsible for the adequacy of their retirement income by determining how...