关键词: 计划单列市 , 行政权分割 , 市场分割 , 经济效率

Abstract: Based on the special phenomenon of separateplanning cities in China, this paper applies the panel data of city level from 2001 to 2015 and the method of system GMM to analyze the effect of administrative power segmentation and market segmentation on the urban economic efficiency This empirical results shows as follows: (1) The segmentation of administrative power inhibits the spillover effect from central city; (2) market segmentation on economic efficiency shows an nonlinear relationship, it is positive to economic efficiency at the beginning, but then turn negative when the market segmentation beyond a threshold value

Key words: separateplanning cities , administrative power segmentation , market segmentation , economic efficiency