On the question of what caused the crash, the debate is more even. Krugman is hampered by the fact that he attributes the crash to “irrationality,” which, as Cochrane points out, is no theory.
在谈到是什么导致市场崩盘这个问题上，双方打了个平手。克鲁格曼认为“非理性”是元凶。而科克伦认为根本就没什么理论。