The paper extends the basic Stiglitz (1982) model of optimal nonlinear income taxation into a model featuring endogenous unemployment and wages. This means that the government needs to consider the effects on wages and unemployment when designing the optimal tax function. The tax systems'...

This paper explores the rationale for unemployment benefits as a complement to optimal non-linear income taxation. High-skilled workers and low-skilled workers face different exogenous risks of being unemployed. As long as the low-skilled workers face a higher unemployment risk, we find that...

This paper explores the rationale for unemployment benefits as a complement to optimal nonlinear income taxation. We find under plausible assumptions that the optimal unemployment benefits targeted at the low-skilled will be higher than the pure insurance and efficiency purposes would prescribe....