区域创新、中间品与出口国内附加值率

Regional Innovation,Intermediate Products and the Domestic Value-added Ratio of Enterprise Exports

在建设创新型国家和促进国际贸易高质量发展的双重背景下,本文研究了区域创新影响出口国内附加值率的理论机制,并对理论机制进行了实证检验。研究结果表明:区域创新促进了出口国内附加值率的提升;影响机制研究结果显示,区域创新通过提升国内中间品质量和拓展国内中间品种类对出口国内附加值率产生促进作用,通过提升进口中间品质量和拓展进口中间品种类对出口国内附加值率产生抑制作用;区域创新分别通过对国内中间品质量和进口中间品质量间产生的非对称影响,以及对国内中间品种类和进口中间品种类间产生的非对称影响提升出口国内附加值率。

Under the background of building an innovative country and promoting the high-quality development of international trade,this paper studies the theoretical mechanism of how regional innovation affects the domestic value-added ratio(DVAR),and empirically tests the theoretical mechanism.It is found that regional innovation promotes the DVAR.The study of the impact mechanism shows that regional innovation promotes the DVAR by improving the quality and expanding the varieties of domestic intermediate products,and reduces the DVAR by improving the quality and expanding the varieties of imported intermediate products.In general,regional innovation increases the DVAR by putting asymmetric effects on the quality of domestic and imported intermediate products,and on the varieties of domestic and imported intermediate products.