Monnet’s error?
研究欧洲国家加入货币联盟但无政治联盟的后果，分析1992年马斯特里赫特条约和2010年欧元危机对亲欧情绪的影响，发现尽管经济衰退，欧洲人仍支持共同货币。
In entering a currency union without any political union European countries have taken a gamble: will the needs of the currency unions force a political integration (as anticipated by Monnet) or will the tensions create a backlash, as suggested by Kaldor, Friedman and many others? We try to answer this question by analyzing the cross sectional and time series variation in pro-European sentiments in the EU 15 countries. The 1992 Maastricht Treaty seems to have reduced the pro-Europe sentiment as does the 2010 Eurozone crisis. Yet, in spite of the worst recession in recent history, the Europeans still support the common currency. Europe seems trapped: there is no desire to go backward, no interest in going forward, but it is economically unsustainable to stay still.