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...

Existing research on the static effects of the manipulation of welfare program benefit parameters on labor supply has allowed only restrictive forms of heterogeneity in preferences. Yet preference heterogeneity implies that the marginal effects of welfare reforms on labor supply may differ in...

We examine the effect of the 1996 Tax Reform Act on the labor supply of affluent men. The Act reduced marginal tax rates for the affluent more than for other taxpayers. Using instrumental-variables methods with a variety of identifying variables, we find essentially no responsiveness of the...