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...

This Working Paper examines options for the design of a workable fiscal union for the euro area. It provides a comparative study of fiscal institutions in the US and euro area in order to supply lessons from the operation of the US fiscal regime that could inform the design of the, hitherto...