A number of commentators have observed that the global financial crisis was good for economic history, because it directed attention to previous crises and to the insights that could be gleaned from studying them. In fact, economic history never stopped playing its role in economic research.
第三种方法利用历史证据。许多评论家观察到，全球金融危机对经济史来说是一件好事，因为它将注意力引向此前发生过的危机以及可以从研究这些危机中获得的洞见。事实上，经济史在经济研究中从未停止起作用。但此次金融危机是一次有益的提醒，告诉我们历史总是相似的，还提供了关于哪些政策反应能起作用的证据。