Does a monetary union need fiscal shock absorbers helping the participating countries to cope with asymmetric shocks? The consensus in the debate over EMU argues that the answer is yes. In this paper, we revisit the issue, building on a dynamic, general equilibrium framework of regions in a...

We analyze unconditional within-country convergence from 1991 to 2009 in 21 European countries. Unlike most previous studies we focus on the heterogeneity of convergence. We find that convergence processes in currency unions are extremely heterogenous, highly discontinuous and strongly...