Countries in a monetary union can adjust to shocks either through internal or external mechanisms. We quantitatively assess for the European Union a number of relevant mechanisms suggested by Mundell’s optimal currency area theory, and compare them to the United States. For this purpose, we...

The paper investigates the macroeconomic and financial effects of oil prices shocks in the euro area since its creation in 1999, with a special focus on the recent slump. The analysis is carried out episode by episode, within a time-varying parameter framework, consistent with the view that "not...

Following the sovereign debt crisis of 2012, some southern European countries have debated proposals to leave the Euro. We evaluate this policy change in a standard monetary model with seigniorage financing of the deficit. The main novel feature is that we depart from rational expectations while...