倪金兰和Yongliang Zhao合作的论文“The Border Effects of Domestic Trade in Transitional China: Local Government Preferences and Protectionism”发表于国际期刊Chinese Economy第5期，2018年。
摘要：Following a two-region border effect model with consumption preference of local governments, this paper exams the segmentation of Chinese domestic market as well as its determinants. Through empirical tests, we find that the average border effect of domestic trade among provinces in China showed an upward trend during 1997-2002 and 2002-2010. The significant difference of border effects between western and eastern area of China indicates more regional trade barriers in western area than in eastern area. In addition, compared to agricultural products, there are less trade barriers on industrial products. This partially verifies that there are more trade protection and self-consumption from local government on raw materials. Under the local governments’ preference for regional protection, the higher degree of financial autonomy and larger output share of SOEs will both significantly contribute to the trade barriers among provinces. Local governments’ behavior is the key to understand the pattern of border effects among provinces.
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