Paul Krugman is nowadays often more a leftist political agitator than an economist. However, his description of the euro crisis is very much to the point:
The tragedy of the Euromess is that the creation of the euro was supposed to be the finest moment in a grand and noble undertaking: the generations-long effort to bring peace, democracy and shared prosperity to a once and frequently war-torn continent. But the architects of the euro, caught up in their project’s sweep and romance, chose to ignore the mundane difficulties a shared currency would predictably encounter — to ignore warnings, which were issued right from the beginning, that Europe lacked the institutions needed to make a common currency workable. Instead, they engaged in magical thinking, acting as if the nobility of their mission transcended such concerns.
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