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随着经济的快速发展,我国环境问题逐渐凸显。文章针对库兹涅茨曲线特征,采用岭回归方法,选用江西省1995-2014年“三废”排放量及GDP数据进行研究,发现江西省“三废”排放量与经济发展呈“N”型曲线关系,工业废水排放量和工业二氧化硫排放量主要受结构效应影响;工业废气排放量主要受规模效应影响;工业固体废物产生量受规模效应与结构效应影响程度相当;且只有固体废物治理投资水平对污染起到了抑制作用。从而得知,江西省环境治理投资效果不佳,应该合理投入环境治理资金,提高资金使用效率,实现“精准治理”。
With the rapid economic development, the environmental problems in our country are gradually highlighted. According to the characteristics of Kuznets curve, this paper uses Ridge Regression Method to select the emission and GDP data of Jiangxi Province from 1995 to 2014, and finds that the emission and economic development of Jiangxi Province are “ N type curves, industrial wastewater discharge and industrial sulfur dioxide emissions are mainly affected by structural effects; industrial emissions are mainly affected by economies of scale; industrial solid waste generated by the scale effect and structural effects of the degree of impact; and only the solid Waste management investment levels have played a restraining effect on pollution. It is thus learned that the investment in environmental governance in Jiangxi Province is ineffective, and environmental management funds should be rationally invested to improve the efficiency of capital utilization and achieve ”precise management".