王宇昕,余兴厚,熊兴.长江经济带污染物排放强度的空间差异及影响因素研究[J].西部论坛,2019,29(3):104-114
长江经济带污染物排放强度的空间差异及影响因素研究
Study on Spatial Difference and Influencing Factors of Pollutant Emission Intensity in the Yangtze River Economic Belt
  
DOI:
中文关键词:  污染物排放强度  空间差异  影响因素  长江经济带
英文关键词:pollutant emission intensity  spatial difference  influencing factors  Yangtze River economic belt
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作者单位
王宇昕,余兴厚,熊兴 重庆工商大学 长江上游经济研究中心重庆 400067 
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中文摘要:
      本文通过构建污染物排放指标体系对长江经济带各省市污染物排放强度水平进行测算,运用泰尔指数、基尼系数以及对数离差均值三个具有互补性的差异性指标对污染物排放强度的区域差异进行综合评价,基于省际面板数据,引入产业结构水平、经济发展水平、人力资本水平、外商投资水平、能源消耗水平和城镇化水平等六个解释变量,选用空间计量模型实证探究了长江经济带整体以及各区域污染物排放强度的影响因素。研究结果显示:长江经济带各区域污染物排放强度具有显著的差异性,以2011年为转折点,总体上呈现出先上升后下降的变化趋势,其中上游地区的差异最大,中游地区次之,下游地区最小;三大区域污染物排放强度的影响因素存在着明显的差异性,各解释变量对不同区域降低污染物排放强度的作用存在着显著的异质性。
英文摘要:
      In this paper, by building the index system of pollutants discharge, the pollutant emissions intensity level of the provinces and the municipalities along the Yangtze River economic belt is calculated, by using Theil index and Gini coefficient and the logarithmic mean deviation of the differences between the three complementary indexes of pollutant emission intensity, the regional differences are comprehensively evaluated based on the provincial panel data, by the introduction of six explanatory variables such as the industrial structure level, economic development level, human capital level, the level of foreign investment, energy consumption level and urbanization level, the spatial econometric model is selected to make an empirical study on the influencing factors of pollutant emission intensity of the Yangtze River economic belt as a whole and regionally. The studying results show that the pollutant emission intensity of each region of the Yangtze River economic belt has significant differences. By taking 2011 as the turning point, the pollutant emission intensity of the Yangtze River economic belt shows an upward trend and then downward trend in general, among which the regions at the upper reaches have the most difference, followed by the middle reaches, and the regions at the lower reaches have the least difference. There are significant differences in the influencing factors of pollutant emission intensity in the three regions, and the significant heterogeneity exists in the effect of each explanatory variable on reducing pollutant emission intensity in different regions.
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