从上世纪80年代以来,经济学中出现了一种“新经济地理学”的热潮,将以前一直被忽视的产业的空间聚集这一问题重新纳入经济学的思考范围之中,并与新贸易论相结合,以强调收益递增和不完全竞争为出发点。本文将对新经济地理学和新贸易论的一些主要国外理论及相关研究进行简要的介绍。 Since the 1980s, a boom in “new economic geography” has emerged in economics, re-integrating the issue of agglomeration of industries that had been neglected in the past into the thinking of economics, The new trade theory combined with emphasis on increasing returns and imperfect competition as the starting point. This article will briefly introduce some of the major foreign theories and related studies of New Economic Geography and New Trade.