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本文以产品内分工和贸易为视角,建立以出口污染密集度为研究对象、FDI和加工贸易出口额等为主要解释变量的理论和计量模型,然后以1995-2008年为样本期间,采用四种工业污染物排放指标的混合数据,运用横截面数据加权广义最小二乘法,对中国出口贸易污染密集度的影响因素进行了实证研究。结果表明:在产品内分工背景下,促成中国出口贸易高速增长的主要因素对降低中国出口贸易污染密集度具有显著影响。据此本文认为,从特定层面上来看,中国出口贸易增长具有环境福利提升效应。
Based on the internal division of labor and trade, this paper establishes a theoretical and econometric model that takes export pollution concentration as the research object, FDI and the export of processing trade as the main explanatory variables. Then, from 1995 to 2008, Industrial pollutant emissions indicators of the mixed data, the use of cross-sectional data-weighted generalized least squares method, the impact of China’s export trade intensity of pollution factors were empirically studied. The results show that under the background of intra-product division of labor, the major factors contributing to the rapid growth of China’s export trade have a significant impact on reducing the pollution intensity of China’s export trade. Therefore, this paper argues that from a specific perspective, China’s export growth has the effect of improving environmental welfare.