It should be recognized that a disorderly default or exit from the eurozone, even by a small country like Greece, would precipitate a banking crisis comparable to the one that caused the Great Depression. It is no longer a question whether it is worthwhile to have a common currency. The euro exists, and its collapse would cause incalculable losses to the banking system. So the choice that Germany faces is more apparent than real – and it is a choice whose cost will rise the longer Germany delays making it.
