Project Syndicate
May 5, 2010
he Greek financial crisis has put the very survival of the euro at stake. At the euro’s creation, many worried about its long-run viability. When everything went well, these worries were forgotten. But the question of how adjustments would be made if part of the eurozone were hit by a strong adverse shock lingered. Fixing the exchange rate and delegating monetary policy to the European Central Bank eliminated two primary means by which national governments stimulate their economies to avoid recession. What could replace them?
The Nobel Laureate Robert Mundell laid out the conditions under which a single currency could work. Europe didn’t meet those conditions at the time; it still doesn’t. The removal of legal barriers to the movement of workers created a single labor market, but linguistic and cultural differences make American-style labor mobility unachievable.
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