The interaction of monetary and fiscal policies is a crucial issue in a highly integrated economic area as the European Union. We argue that EMU, which introduced a common monetary policy and restrictions on fiscal policy at the national level, increases the need for macroeconomic policy...

With a large-scale econometric world model we derive policy multipliers and the parameters for the utility functions for 10 EMU countries and for the ECB. The gains from cooperation are calculated by comparing two equilibria, a Nash and a cooperative equilibrium. The cooperative equilibrium is...