The consequences of the eurozone breaking up represent one of the great unknowns in the present economic crisis. Jens Nordvig writes that while there have been several examples of currency unions breaking apart in the past, the scale of the eurozone and its importance to the global economy would make such an event unprecedented. Even if the break-up were confined to the troubled eurozone economies of Greece, Ireland, Italy, Portugal and Spain, there would be no historical parallel.
Πηγή: blogs.lse.ac.uk