长江经济带绿色城镇化效率评价及其影响因素——基于多维城镇化视角

Research on the Measurement and Influencing Factors of Green Urbanization Efficiency in the Yangtze River Economic Belt -From the Perspective of Multidimensional Urbanization

中文关键词:  绿色城镇化效率  空间差异  长江经济带  SBM方向性距离函数

英文关键词:green urbanization efficiency  spatial difference  the Yangtze River Economic Belt  SBM directional distance function

中文摘要:

      本文引入资源和环境因素，以城镇化综合指数为期望产出，运用SBM方向性距离函数测算了2010-2020年长江经济带112个地级市（州）的绿色城镇化效率，并采用空间面板模型和地理探测器对绿色城镇化效率的影响因素进行实证分析。结果表明：长江经济带绿色城镇化效率整体水平不高，下游地区绿色城镇化效率高于上游和中游地区，资源消耗和环境污染是效率损失的主要来源；绿色城镇化效率表现出较为明显的热点-次热点-次冷点-冷点自东向西的带状分布格局，存在显著的空间正相关性。政府财政支出对绿色城镇化效率产生负向影响，外商直接投资和产业结构对提升绿色城镇化效率有显著的促进作用，且三者的影响具有地区差异性；市场力因素有利于绿色城镇化效率的提高。邻近城市间绿色城镇化效率的空间溢出效应明显，且空间溢出效应是长江经济带绿色城镇化效率空间差异的最主要因素，各因素的影响具有协同增强的作用。

英文摘要:

      In this paper, resource and environmental factors are introduced, and with the urbanization comprehensive index as the expected output, the green urbanization efficiency of 112 prefecture-level cities (prefectures) in the Yangtze River Economic Belt from 2010 to 2020 is measured by SBM directional distance function, and the factors affecting the efficiency are empirically-analyzed by spatial panel model and geographical detector. The result shows that the overall level of green urbanization efficiency in the Yangtze River Economic Belt is not high, and the cities in the downstream experience higher green urbanization efficiency. Excessive resource consumption and environmental pollution are the main causes of efficiency loss. There exist remarkable positive spatial correlation in green urbanization efficiency among cities, and show a relatively obvious pattern of hot spots, sub-hot spots, sub-cold spots and cold spots from east to west. The government's fiscal expenditure has negative impact on green urbanization efficiency, while the rationalization of industrial structure and foreign direct investment are beneficial to the improvement of green urbanization efficiency, and the influence of the three is different in different regions. Market force brings positive effect to the green urbanization efficiency. There exists the spatial spillover in green efficiency. The spatial spillover effect plays a main role in the formation of spatial disparity of the green urbanization efficiency. These driving forces are interrelated and synergistic.