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知识不再有根,知识不再能返回常识。这是西方的命运,现在也是中国的命运。我们这一代经济学人是上世纪80年代出国留学然后回国教学的。那时,西方人开始反思和批判自己的经济学。我清楚记得在夏威夷大学图书馆见到由凯恩斯主编多年的《经济杂志》展望未来百年经济学的专号,被邀请发言的经济学领袖们多数都对当代经济学过于技术化的倾向表示不满。根据他们的预见,从上世纪80年代开始,未来的100年,经济学将逐渐摆脱技术化的倾向,转而关注真实世界里的重要问题。马歇尔写《经济学原理》的时候,生怕技术细节误导读者,特意将几何和数学
Knowledge no longer has roots, and knowledge no longer returns common sense. This is the fate of the West and is now also the fate of China. Our generation of economists went abroad to study and returned to China in the 1980s. At that time, Westerners began to reflect and criticize their own economics. I clearly remember seeing at the University of Hawaii Library that the chief economist for many years, edited by Keynes, has been looking at the special issue of the next century’s economics. Most of the economics leaders invited to speak have expressed dissatisfaction with the tendency of technological over-emphasis in contemporary economics. According to their prediction, from the 1980s onwards, in the next 100 years, economics will gradually get rid of the technological tendency and turn to focus on the important issues in the real world. Marshall wrote “Principles of Economics”, for fear of technical details misleading readers, specifically the geometry and mathematics