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结合2000—2006年间合并的微观企业数据,采用国际前沿方法 ACF计算了企业生产率,并参考Gervais(2015)和施炳展等(2015)的方法计算出企业进口中间产品质量后,以广义倾向得分匹配方法考察了二者的关系。研究结果表明,进口中间产品质量与企业生产率存在U型关系。对用OP/LP方法计算的企业生产率进行稳健性检验,发现U型关系仍然成立。
Based on the combined micro-enterprise data from 2000 to 2006, the international leading-edge method ACF was used to calculate the enterprise productivity. After calculating the quality of imported intermediate products by reference to Gervais (2015) and Shi Bingzhan et al. (2015), the generalized propensity score matching method Inspected the relationship between the two. The results show that there is a U-shaped relationship between the quality of imported intermediate products and the productivity of enterprises. The robustness test of firm productivity calculated by OP / LP shows that the U-type relationship still holds.