levels and endogenous involuntary unemployment due to frictions in the labor markets. Redistributive taxation distorts labor … demand and wages. Compared to their efficient values, gross wages, unemployment and participation are lower. Average tax …

market generate unemployment. Workers differ in productivity. The government does not observe workers' productivity but only …

We propose a canonical model of optimal nonlinear redistributive taxation with matching unemployment. In our model … efficient values, at the optimum gross wages and unemployment are lower. Average tax rates are moreover increasing in wages. The … robustness of these properties is also discussed. -- Optimal income taxation ; unemployment ; matching …

We derive a sufficient statistics optimal tax formula in a general model that incorporates unemployment and endogenous … resembles a Negative Income Tax than an Earned Income Tax Credit relative to the case where unemployment and wage responses are …

We propose and estimate a model where unemployment fluctuations result from self-fulfilling changes in expected … European unemployment rates. They also generate positive comovements in macroeconomic variables and a large relative volatility … fact that liquidity constrained workers, facing earnings uncertainty in the context of imperfect unemployment insurance …

We evaluate the effects of outsourcing and wage solidarity on wage formation and equilibrium unemployment in a … magnify, and not dampen, this tendency. Further, higher outsourcing will increase equilibrium unemployment among the high … unemployment under the reasonable condition that the proportion of high-skilled workers is sufficiently low. …