外商直接投资和国内投资的行业溢出效应

Industry knowledge spillovers of foreign direct investment and domestic investment

根据我国1999—2007年制造业27个行业样本数据,运用面板数据分析方法,研究我国外商直接投资和国内投资的行业溢出效应。研究发现FDI的投资效率较高,对行业全要素生产率的系数为正,但是其技术溢出能力水平低,容易形成技术壁垒,不利于行业生产率的提高;而国内投资对行业生产率提高虽然有一定的负面作用,但是其技术容易扩散,溢出水平高,有利于行业生产率进步;另外,FDI对行业生产率水平较低的行业正面作用明显,而行业生产率水平较高的行业,国内投资的负向作用降低效果大。

According to the data sample of 27 Chinese manufacturing sectors from 1999 to 2007,the panel data analysis method is used to study Foreign Direct Investment（FDI） and domestic investment industry spillover effects.Research found that FDI has higher investment efficiency,the coefficient to industry productivity is positive,but its rather lowe level of technology spillovers is easy to form technical barriers,which is not conducive to productivity improvement.There exist some negative effects for domestic investment to increase the industry productivity,but its rather high level of knowledge spillovers is benefit to the productivity growth.In addition,FDI plays a major positive role in the industries with lower productivity,while reducing negative effects of domestic investment has a big impact on the industry sectors with higher productivity.