In order to explore the optimal taxation of low-skilled labor, we extend the standard model of optimal non-linear income taxation in the presence of quasi-linear preferences in leisure by allowing for involuntary unemployment, job search, an exogenous welfare benefit, and a non-utilitarian...

This paper explores the optimal role of the tax system in alleviating labour-market imperfections, raising revenue, and correcting the income distribution. For this purpose, the standard search model of the labour market is extended by introducing non-linear vacancy costs due to scarce...

If discretionary monetary policy implies an inflation bias, monetary unification boosts the accumulation of public debt. The additional debt accumulation is welfare reducing only if governments are sufficiently myopic. In the presence of myopic governments, debt ceilings play a useful role in...

This paper explores how fiscal and monetary policy interact if commitment and access to lump-sum taxation are limited. We analyze how equilibrium outcomes for inflation, employment, and public spending are affected by the structural features of an economy, such as money holdings, outstanding...

This paper explores how decentralized, national fiscal policies interact with a common monetary policy in a monetary union. We show that fiscal policy plays a more important ro le in stabilizing country-specific shocks than with national monetary policies. Whereas monetary u nification with an...