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技术溢出是发展中国家分享世界技术进步成果的重要路径,溢出的渠道主要包括国际贸易和国际直接投资(FDI)等。本文运用经拓展后的Coe&Helpman的贸易溢出计量模型,将我国从商品贸易以及FDI中所获得的技术溢出纳入同一模型中加以综合分析。经测度表明,我国外贸外资的技术溢出效应都较显著,且相互间存在着共生互补关系,但相对说来,外资的技术溢出效应略大于外贸的溢出效应;同时,国内R&D的资本存量对外贸外资的技术溢出效应有重要影响,并在此基础上,提出了相应的政策建议。
Technology spillover is an important path for developing countries to share the achievements of technological progress in the world. The spillover channels mainly include international trade and international direct investment (FDI). In this paper, the extended Coe & Helpman model of trade spillover is used to integrate China’s technological spillovers from trade in goods and FDI into the same model. The measured results show that the technology spillover effect of foreign-funded foreign investment in our country is significant, and there is a symbiotic complementary relationship with each other. However, relatively speaking, the technology spillover effect of foreign capital is slightly larger than the spillover effect of foreign trade; meanwhile, Technology spillover effect of foreign capital has an important impact, and on this basis, put forward the corresponding policy recommendations.