Economists like me see the world through the prism of models, fitted to statistical data and tested against market realities. Economic models provide uniquely powerful perspectives: I have used them to argue that had the economy been left to itself, and policymakers not heeded the lessons of history and theory, the 2008 financial crisis might have led to another depression.
像我這樣的經濟學家，往往透過適配統計數據、經過市場現實檢測的模型來觀察這個世界。經濟模型提供獨有的有力視角：我曾利用這些模型證明，如果當時對經濟放任不管，如果決策者并未吸取歷史和理論的忠告，2008年金融危機本可能會導致又一場大蕭條。
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