A high degree of correlation among the business cycles of individual countries is usually seen as a key criterion for an optimum currency area. However, the elasticity with which countries react to the common cycle is equally important. A country with a non-unitary growth elasticity relative to...

Despite the experience of the ongoing sovereign debt crisis, European banks continue to hold large amounts of bonds from their home governments. This ties the fates of the sovereign and the banks together, leading to the disruptive self-reinforcing feedback loops that brought the euro area to...