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对国际R&D溢出效应的OLS检验忽视了知识溢出的无止境和空间局限性,以往空间建模的检验又错误定义了空间溢出效应。本文对空间溢出效应的参数定义予以修正,将其划分为直接效应、间接效应和总效应。以2008年300个市级行政区划为截面样本,基于空间Durbin模型的检验显示FDI和出口对中国创新成分表现出相反的空间溢出效应:FDI直接效应提升所在区域技术进步率,间接效应弱化毗邻区域技术效率;出口则相反;FDI空间溢出总效应没有促进创新,出口空间溢出总效应仅提升创新的效率成分。
The OLS test of international R & D spillover ignores the indefinite and spatial limitations of knowledge spillover. In the past, the test of spatial modeling incorrectly defined the spillover effect. In this paper, the definition of the parameters of space spillover effect is amended, which is divided into direct effect, indirect effect and total effect. Taking the 300 municipal administrative divisions as cross-sectional samples in 2008, tests based on the space-Durbin model show that FDI and exports show opposite spillover effects on Chinese innovation components: the direct FDI effect enhances the region’s technological progress rate and the indirect effect weakens the adjacent regions Technical efficiency; exports are the opposite; the total effect of spillover of FDI does not promote innovation, and the total effect of spillover of export space only improves the efficiency of innovation.