A monetary union among autonomous countries cannot simultaneously maintain an independent monetary policy, national fiscal sovereignty and a no-bailout clause. These three features make up an impossible trinity, and attempts to preserve all three concurrently will ultimately end in failure. In...

Exchange rate volatility and long-term distortions of exchange rate levels have given rise to concern among participants in international trade. Do exchange rate fluctuations have an adverse impact on the volume of trade? What measures could be taken to achieve greater exchange rate stability?

A number of tools have been suggested for solving the European sovereign debt crisis, in particular the options of leveraging the EFSF/ESM, introducing Eurobonds and a European Troubled Asset Relief Programme (Euro-TARP). However, it is unclear how these instruments will work, given jittery...