In the 1930’s, countries could not act together because they could not agree on a diagnosis of the problem. Each attributed the Great Depression to different causes, leading them to prescribe different remedies, which they administered unilaterally.
所有这些不同点都让人质疑关于欧元将重蹈金本位覆辙的观点。但第五个不同点正好相反。20世纪30年代，各国之所以不能集体行动，是因为它们对问题的判断无法达成一致。每个国家所看到的大萧条原因各不相同，因此（单方面）开出的补救措施也彼此相异。