Barry Eichengreen

Political union means transferring the prerogatives of national legislatures to the European parliament, which would then decide how to structure Europe's fiscal, banking, and monetary union.

As for the single market, the E.U.'s landmark achievement, there is no question that a euro zone breakup would severely disrupt its operation in the short run.

Every day it seems more likely that we are destined - or should one say doomed? - to replay the disastrous economic history of the 1930s.

In the 20 years before Greece end up with the Euro, efforts to improve competitiveness through exchange rate and adjustments resulted only in temporary gains of competitiveness.

With the lessons taken from the financial crisis in 1997, the Republic of Korea has been able to surmount the global economic crisis rather successfully.

Disruption is a process, not an event, and innovations can only be disruptive relative to something else.