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本文根据三大环境污染物排放强度进行分区,分别建立高、低污染物排放区的经济增长-能源消费-外商直接投资的PVAR模型,通过脉冲响应、方差分析和Granger因果检验分析比较了3个变量的双向动态关系。结果表明:(1)碳排放和工业固体废物低排放区的3个变量的动态关系显著而高排放区却不显著,工业废水高低排放区均不显著;(2)在三大污染物的低排放区,外商直接投资均能显著地促进能源消费强度的下降;(3)在低碳区和工业固体废物低排放区,经济增长与能源消费存在双向因果关系,这意味着该地区经济增长能有效降低能源消费强度,同时能源消费又能促进经济的增长。
Based on the emission intensity of the three major environmental pollutants, the paper establishes the PVAR model of economic growth, energy consumption and foreign direct investment in high and low pollutant discharge areas respectively. By means of impulse response, variance analysis and Granger causality test, three Two-way dynamic relationship between variables. The results show that: (1) The three variables of carbon emission and industrial solid waste low-emission area have significant dynamic relationship while the high-emission area is not significant, and the industrial waste water discharge area is not significant; (2) (3) There is a two-way causal relationship between economic growth and energy consumption in low-carbon and low-solid industrial waste discharge areas, which means that the economic growth in the region Effectively reduce the intensity of energy consumption, while energy consumption can promote economic growth.