黄河流域兰西城市群环境规制效率的空间格局及其空间收敛性

基于2010—2018年黄河流域兰西城市群县域数据，采用空间分析技术和空间收敛模型分析环境规制效率的空间格局及其空间收敛性。结果表明：① 环境规制效率呈现“中心高边缘低”的空间特征，环境规制效率由“大差距低强度”向“小差距高强度”转变；② 环境规制效率具有空间相关性，环境规制效率的热点区-冷点区与经济发展的高水平区-低水平区具有空间趋同性；③ 环境规制效率存在空间收敛性，在考虑社会经济因素和空间因素的情况下环境规制效率的空间收敛性增强；④ 经济水平、政府干预、能耗强度、工业化率和人口密度等因素通过空间溢出效应对环境规制效率的空间收敛性产生影响。

Spatial Pattern and Spatial Convergence of Environmental Regulation Efficiency of Lanzhou-Xining Urban Agglomeration in the Yellow River Basin

Ecological protection and high-quality development of the Yellow River Basin have been included in the major national strategy in 2019, which is a major strategic deployment to promote the construction of ecological civilization in China. Urban agglomeration is an important carrier of ecological protection and high-quality development in the Yellow River Basin. However, industrial development not only promotes the economic and social prosperity of urban agglomeration, but also leads to the increase of pollutant emissions. Environmental regulation efficiency plays an important role in promoting the construction of ecological civilization and high-quality development in the Yellow River Basin. Lanzhou-Xining urban agglomeration is an important industrial core area and environmental key area in the Yellow River Basin. Taking Lanzhou-Xining urban agglomeration as the research area, it is reasonable and representative to study the spatial characteristics and convergence of environmental regulation efficiency. Based on the county panel data of Lanzhou-Xining urban agglomeration in the Yellow River Basin from 2010 to 2018, spatial analysis technology and spatial convergence model are used to analyze the pattern of environmental regulation efficiency and its spatial convergence. The results show that: 1) Environmental regulation efficiency has the spatial pattern of “high in the center and low in the edges”, and the environmental regulation efficiency shows the transformation from “large gap and low intensity” to “small gap and high intensity”. 2) Environmental regulation efficiency has spatial dependence. Hot spot-cold spot of environmental regulation efficiency and the high-low level of economic development have spatial overlap. 3) Environmental regulation efficiency has a significant spatial convergence. When the socio-economic factors and spatial factors are considered, the convergence trend of environmental regulation efficiency is enhanced, and the spatial differences of environmental regulation efficiency among counties in urban agglomeration area are gradually narrowing over time. 4) Economic level, government intervention, industrialization rate and population density have positive effects to the convergence trend of environmental regulation efficiency, while energy consumption intensity has negative effects to the convergence trend of environmental regulation efficiency.