长江经济带生态效率空间异质性及其影响因素研究
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F127

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中央高校基本科研业务费专项(2018B31114,2018B31014);江苏省博士后基金(1202087C)


Spatial heterogeneity of ecological efficiency of Yangtze River economic zone and its determinants
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    摘要:

    以长江经济带107座城市为研究对象,采用超效率SBM方法对2005—2016年城市生态效率时空演变特征进行评价,并建立广义系统GMM估计模型,探讨生态效率的影响因素。综合而言,城市生态效率存在正向时间滞后效应,总体呈波动上升趋势,且流域间差距逐步缩减,部分区域空间集聚态势加强,长江三角洲、成渝等地“高-高”集聚特征明显,而南昌、贵阳等周边地区负向集聚效应显著;产业升级的二维指标对生态效率存在异质性作用,产业结构高级化抑制生态效率进步,产业结构合理化则促进生态效率发展;同时发现,环境EKC假说和“污染光环”假说在长江经济带依然成立。

    Abstract:

    Based on the cityscape data of 107 cities in Yangtze River economic zone from 2005 to 2016, the spatial and temporal pattern of urban ecological efficiency is evaluated by using the Super-SBM method, and its influencing factors are discussed by establishing the generalized system GMM estimation. In conclusion, firstly, the urban ecological efficiency has positive time lag effect, showing an overall upward trendand gradual decrease in the gap ofinterbasin areas in the sampling period. Secondly, partial regions present the trend of spatial agglomeration, Yangtze River Delta and Chengdu-Chongqing Region present positive clustering characteristics, and Nanchang and Guiyang regions present negative clustering characteristics. The influencing factors of ecological efficiency shows that the advanced industrial structure and rationalization of industrial structure have heterogeneous effects on the ecological efficiency. In addition, they have substitution relationship. It is found that the advanced industrial structure inhibits the ecological efficiency, and the rationalization of industrial structure is beneficial to the improvement of the urban ecological efficiency. It is also discovered that the hypothesis environmental Kuznets curve and pollution Halo hypothesis still hold in the Yangtze River economic zone.

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马骏,周盼超.长江经济带生态效率空间异质性及其影响因素研究[J].水利经济,2019,37(6):8-12.(MA Jun, ZHOU Panchao. Spatial heterogeneity of ecological efficiency of Yangtze River economic zone and its determinants[J]. Journal of Economics of Water Resources,2019,37(6):8-12.(in Chinese))

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  • 收稿日期:2019-04-24
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  • 在线发布日期: 2019-12-05
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