Abstract

Empirical research on relationship between economic development level and environmental pollution-based on panel data of 5 cities in poyang lake ecological economic zone

Author(s): Wenhui Zheng, Li Yu

Based on panel data from 2001 to 2011, this paper analyzes curve fitting relationship between per capita GDP and contamination output of SO2, Industrial Waste Gas and Industrial Waste Water in Nanchang, Jingdezhen, Jiujiang, Yingtan and Xinyu. Quadratic equation models of relationship between per capita GDP and contamination output of SO2, Industrial Waste Gas could be established, which are "inverted U-type" curve. Both cubic equation models of relationship between per capita GDP and contamination output of SO2, Industrial Waste Gas, and Industrial Waste Water could be established, which are "Positive N-type" curve. Cubic equation is better than quadratic equation in efficiency of modeling and goodness of fitting curve. Furthermore, this paper discusses the relevant policy recommendations.


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