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本文从产品质量异质性贸易理论出发,从综合视野探讨了进口中间产品质量、劳动生产率、人力资本、研发、FDI、经济自由化水平以及市场规模与出口最终产品质量之间的内在机理。进而采用BACI 1995-2009年38个国家(地区)由产品到国家(地区)层面的数据,分层次对此综合机理进行了实证检验,研究结果表明:进口中间产品质量、劳动生产率、经济自由化程度、FDI与市场规模对出口最终产品质量具有促进作用,且进口中间产品质量的正向效应最大。研发、人力资本的效应在引入进口中间产品质量的情形下由正转为负。这也意味着研发、人力资本相对不足的国家,可借助进口高质量中间产品这一途径以提升本国出口最终产品质量,进而实现产业升级。
Based on the heterogeneous trade theory of product quality, this paper discusses the internal mechanism of imported intermediate product quality, labor productivity, human capital, R & D, FDI, economic liberalization and the relationship between market size and final product quality. Furthermore, we use BACI data from 38 countries (regions) from product to country level in 1995-2009 to test the comprehensive mechanism hierarchically. The results show that the quality of imported intermediate products, labor productivity and economic liberalization Degree, FDI and market size have a positive effect on the quality of the final export product, and the positive effect of the quality of imported intermediate product is the largest. The effect of R & D and human capital has turned from negative to positive with the introduction of the quality of imported intermediate products. This also means that countries with relatively insufficient human capital for research and development can make use of the import of high-quality intermediate products to enhance the quality of their final export products so as to achieve industrial upgrading.