京津冀城市群生产性服务业集聚模式选择研究——基于新古典超边际分析

Study on the Agglomeration Mode of Producer Services in Beijing-Tianjin-Hebei Metropolitan Region:Based on the new classicalultra marginal analysis

京津冀城市群存在生产性服务业人均产值低、城市间发展差距大等制约城市群发展的问题,这些问题源于对城市生产性服务业集聚模式选择的忽视。化解当前难题需要立足于生产性服务业集聚模式选择与企业对生产性服务产品的偏好、城市群交易效率的关系。新古典超边际分析理论从分工视角、以超边际分析模型为手段为城市如何选择与其发展水平相匹配的生产性服务业集聚模式指明道路。集聚模式影响城市群交易效率,进而影响宏观分工水平;反之,交易效率的改进能够提高城市群绩效,推动能够体现微观主体偏好的集聚模式变迁。在城市群分工深化、广化过程中,城市通过将宏观效率与微观意愿结合的方式选择生产性服务业集聚模式,能够充分发挥大城市“行星环”辐射作用,构建城市群功能互补的“拼图式”格局,助力城市群高质量发展。

There are some problems which stem from the neglect of decision makers on the choice of agglomeration mode of urban producer services restrict the development of Beijing-Tianjin-Hebei Metropolitan Region,such as the low per capita output value of producer services and the large development gap between cities.To solve of the current problems should base on the relationship between the choice of producer service agglomeration mode,the preference of enterprises for producer service products and the transaction efficiency of urban agglomeration.From the perspective of division of labor and being based on the ultra marginal analysis model,the neoclassical ultra marginal analysis theory points out the way for cities to choose the agglomeration mode of producer services that matches their development level.Agglomeration mode affects the transaction efficiency,and then affects the level of macro division.On the contrary,the improvement of transaction efficiency can improve the performance of urban agglomeration and promote the change of agglomeration mode which reflects the preference of micro subjects.In the process of the continuous deepening and broadening of urban division in urban agglomerations,cities choose the agglomeration mode of producer services by combining macro efficiency and micro will,which can give full play to the radiation role of the“planetary ring”of big cities,build a“jigsaw puzzle”pattern with complementary functions of urban agglomerations,and help the urban agglomerations achieve high-quality development.