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本文基于1995—2005年我国16个四位码高技术产业中大中型企业的面板数据,借助Pakes&Griliches提出的专利生产函数,对三种R&D溢出与我国本地企业技术创新的关系进行了实证分析。本文的分析结果表明:外商投资企业R&D溢出是促进我国本地企业技术创新的主要外部力量,且与我国本地企业自身R&D活动之间存在互补关系;技术引进、购买国内技术等R&D溢出没有对我国本地企业技术创新能力的提高产生积极的促进作用;在消化吸收能力较强的行业中,我国本地企业技术引进的负溢出效应得到了明显的改善。本文还依据上述分析结果,提出了若干加快提升我国本地企业技术创新能力的政策建议。
Based on the panel data of large and medium-sized enterprises in 16 four-digit high-tech industries from 1995 to 2005 in our country, this paper empirically analyzes the relationship between three kinds of R & D spillovers and the local enterprises’ technological innovation with the patent production function proposed by Pakes & Griliches. The analysis results show that the R & D spillover of foreign-invested enterprises is the main external force to promote the technological innovation of local enterprises in our country, and there is a complementary relationship between the R & D activities and the R & D activities of local enterprises in our country. The improvement of technological innovation capability of enterprises has a positive role in promoting. In industries with strong digestion and absorption capacity, the negative spillover effect of technology introduction by local enterprises in China has been significantly improved. Based on the above analysis results, this paper also put forward some policy suggestions to accelerate the technological innovation capability of local enterprises in our country.