The replacement of national currencies by a common currency in the EMU causes a monetary externality if the European Central Bank is inclined to monetize part of outstanding government debt in the community.High government debt in one part of the EU then increases the common inflation rate.We...

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...