Samuelson was half right: Governments do know how to stop a slide into another Great Depression. They used this knowledge in the autumn of 2008 and 2009, which is why we had only a Great Recession.
萨缪尔逊对了一半：政府确实知道如何阻止滑向另一场大萧条。它们在2008年秋和2009年使用了这一知识，因此我们只是经历了大衰退。