It will demand global coordination of monetary policies, and some form of global economic governance. Europe tried this combination, and found that even in a regional setting it could not be fully realized.
这类全球性问题局限于欧洲层面是无解的。它需要全球货币政策的协调，加上某种形式的全球经济治理。这个组合，欧洲已经尝试过一遍，发现就连在一个区域范围内都无法将其完全实现。退而求其次的办法则会加剧波动性。实验的结果是，欧洲把自己变成了金融危机的头一批牺牲品。