DellaVigna and Paserman (2005) and Paserman (2008) have shown that imposing job search requirements on sophisticated unemployed benefit claimants with hyperbolic time preferences is Pareto improving in that it raises welfare for the unemployed, by limiting harmful procrastination, and for...

We characterize optimal redistributive taxation when individuals are heterogeneous in their skills and their values of non-market activities. Search-matching frictions on the labor markets create unemployment. Wages, labor demand and participation are endogenous. Average tax rates are increasing...

We study optimal income taxation when labor supply reacts along the intensive and extensive margins. Individuals are heterogeneous across two unobserved dimensions: their skill and disutility of participation. We develop a new method to analytically derive conditions under which optimal marginal...