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...

This paper explores under what conditions a European Monetary Union (EMU) is an optimum currency area. The scope for an EMU increases with convergence of structural and fiscal policies, small money holdings, a conservative European Central Bank, and dependent national central banks. How national...

We show that, with benevolent policymakers and fiscal leadership, monetary unification reduces inflation, taxes and public spending. These disciplining effects of a monetary union, which rise with the number of fiscal players in the union, are likely to raise welfare. Joining an optimally...