The Global Repository of Income Dynamics (GRID) is a new open-access, cross- country database that contains a wide range of micro statistics on income inequality, dynamics, and mobility. It has four key characteristics: it is built on micro panel data drawn from administrative records; it fully...

This article explores subjects in optimal income taxation characterized by recent research interest, practical importance in light of concerns about inequality, potential for misunderstanding, and prospects for advancement. Throughout, the analysis highlights paths for further investigation....

We estimate the extensive and intensive margin labor supply response to the monthly Child Tax Credit disbursed in 2021 as a part of the American Rescue Plan Act. Using Current Population Survey microdata, we compare labor supply outcomes among households who qualify for varying relative...

We build a tractable New Keynesian model to jointly study four types of monetary and fiscal policy. We find quantitative easing (QE), lump-sum fiscal transfers, and government spending have the same effects on the aggregate economy when fiscal policy is fully tax financed. Compared with these...

Approximately $76 billion in out-of-pocket medical spending was deducted as an itemized medical deduction (IMD) in 2021, resulting in about $9 billion in federal forgone tax revenue. We use data from U.S. tax returns to examine how these tax savings are distributed across income and age, how the...

About 14.5 percent of retirees in this age group are both in the top quarter of income recipients and in the top quarter of wealth holders. Another 10.5 percent are top quarter income recipients, but not top quarter wealth holders; with an additional 10.5 percent top quarter wealth holders, but...

This paper examines the distributional implications of introducing additional means testing of Social Security benefits where proceeds are used to help balance Social Security's finances. Benefits of the top quarter of households ranked according to the relevant measure of means are reduced...

Millions of federal, state and local government employees have lifetime earnings that are divided between employment that is covered by the Social Security system and employment that is not covered. Because Social Security benefits are a non-linear function of covered lifetime earnings, the...

This chapter reviews literature on the distributional effects of environmental and energy policy. In particular, many effects of such policy are likely regressive. First, it raises the price of fossil-fuel-intensive products, expenditures on which are a high fraction of low-income budgets....