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中国污染物排放强度及其收敛性的区域差异研究
引用本文:胡宗义,文晓茜,刘亦文.中国污染物排放强度及其收敛性的区域差异研究[J].经济数学,2014(4):59-64.
作者姓名:胡宗义  文晓茜  刘亦文
作者单位:湖南大学 金融与统计学院,湖南 长沙,410079
基金项目:国家社会科学基金重点项目,湖南省自然科学基金项目,湖南省博士后科研资助专项计划,第55批中国博士后科学基金面上资助项目
摘    要:本文运用回归和收敛模型对全国,东部,中部,西部污染物排放强度的差异和收敛性进行了实证分析。研究结果表明:我国各地区的污染物排放强度在不同程度上都有所下降,其中以东部下降幅度最大,西部次之,中部最小;经济增长对污染物排放强度的降低起到积极作用,第二产业占 GDP 比重对污染物排放强度起到正相关作用;全国,东部,中部,和西部地区都不存在绝对β收敛现象,但均存在条件收敛,且中部收敛速度最快,东部收敛速度最慢。

关 键 词:污染物排放强度  α收敛  β收敛

Analysis on the Regional Differences in Pollutant Emission Intensity and Spatial Convergence in China
HU Zong-yi,WEN Xiao-xi,LIU Yi-wen.Analysis on the Regional Differences in Pollutant Emission Intensity and Spatial Convergence in China[J].Mathematics in Economics,2014(4):59-64.
Authors:HU Zong-yi  WEN Xiao-xi  LIU Yi-wen
Institution:(College of Finance and Statistics ,University of Hunan, Changsha, Hunan 410079 ,China)
Abstract:This paper used the regression and convergence model to analyze the regional differences in pollutant emission intensity and spatial convergence among the eastern,central and western region.The results show that pollutant emission in-tensity has declined in varying degrees in each region,with the largest decline in the eastern region,followed by the western re-gion,and the central region being the minimum;economic growth plays a positive role to reduce emissions intensity,and the secondary industry to GDP has played a positive role to pollutants emission intensity;the eastern,central and western regions do not exist absoluteβconvergence phenomenon,but the convergence condition has existed ,and the fastest convergence is in the central region and the slowest convergence.
Keywords:pollutant emission intensity  αconvergence  βconvergence
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