Whatever the reason for the observed positive cross-country correlation between income and democracy, it should not be confused with causality. Being democratic does not seem important in securing economic success.
我们在不同国家观察到的收入与民主之间的正相关性不管是由于什么原因，都不应与因果关系混为一谈。民主对于实现经济成功似乎并不重要。