其一,解决欧债危机比次贷危机在政策协调方面更难,协调成本更高。解决次贷危机,尽管需要其他国家和一些国际经济组织共同解决,但主要还是依靠美国自身,美国在决定如何解决次贷危机方面具有独立决策权,不需看别国脸色。而欧债危机就不同了,陷入欧债危机的国家不止一个,除希腊以外,还有西班牙、葡萄牙、意大利等国,而且救助国也不只有一个国家,而是多个国家。这样,解决欧债危机的协调成本比次贷危机高得多。其二,欧债危机由于涉及的国家 First, the solution to the debt crisis in Europe is more difficult than the subprime mortgage crisis in policy coordination and coordination costs are higher. To solve the subprime mortgage crisis, though it needs to be jointly solved by other countries and some international economic organizations, it mainly depends on the United States itself. The United States has an independent decision-making power in deciding how to deal with the subprime mortgage crisis and does not need to look at the face of other countries. The debt crisis in Europe is different. There are more than one country caught in the debt crisis in Europe. In addition to Greece, there are Spain, Portugal, Italy and other countries. And the relief countries do not have more than one country but many countries. In this way, the coordination cost of resolving the debt crisis in Europe is much higher than the subprime mortgage crisis. Second, the debt crisis in Europe because of the countries involved