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一、导言 20年前研究宏观经济学比现在容易多了。经济学家们对诸如“什么原因使得产出和就业产生波动?”及“出现这些波动时采用什么政策”的问题能给出较自信的答案。 A、对宏观经济学的一个比喻 在此文中,我首先回顾一下宏观经济学的最新发展。读者可以是企业和政府中的应用经济学家们,他们总是混杂着消遣、困惑和蔑视的感情来看待最新的研究。我的目的不是功诱,而是展示一下最新发展如何指
I. INTRODUCTION Researching macroeconomics 20 years ago is much easier than it is now. Economists can give more confident answers to questions such as “What causes the output and employment to fluctuate?” And “What policy to adopt when these fluctuations occur?” A Metaphors on Macroeconomics In this article, I first review the latest developments in macroeconomics. The reader can be an application economist in business and government, who always looks at the latest research mixed with amusement, confusion and contempt. My purpose is not to lure me, but to show how the latest developments mean