This paper reviews the basic theoretical models that are appropriate for analyzing different types of welfare reforms, and the related empirical literature. We first present the canonical labor supply model of a classical welfare program, and then extend this basic framework to include in-kind...

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 examine trends in employment, earnings, and incomes over the last two decades in the United States, and how the safety net has responded to changing fortunes, including the shutdown of the economy in response to the Covid-19 Pandemic. The U.S. safety net is a patchwork of different programs...

Means-tested and social insurance programs in the U.S. have been transformed over the last 25 years, with expansions in Medicare and Medicaid, the Earned Income Tax Credit, and Supplemental Security Income, and with contractions in Temporary Assistance for Needy Families. We examine the effect...

A substantial literature addresses the design of transfer programs and policies, including the negative income tax, other means-tested transfers, the earned income tax credit, categorical assistance, and work inducements. This work is largely independent of that on the optimal nonlinear income...

Various authors, notably Eaton and Rosen (1980a) and Varian (1980), have proposed that income taxation may be justified to some extent on the ground that it serves as social insurance against uncertainties in labor income. They assume that private insurance is unavailable. primarily because of...

We present new calculations of cumulative marginal tax rates (MTRs) facing low income families participating in multiple welfare programs over the period 1997-2007, the period after 1996 welfare reform but before the program expansions of the Great Recession. Our calculations are for...

Take-up of a social benefit is usually defined as receiving a benefit for which an individual or household is eligible. The take-up rate is the fraction of those eligible for a program who participate and receive a benefit or service. We survey estimates of take-up of social benefits around the...