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R&D与生产率——基于中国制造业的实证研究
引用本文:吴延兵.R&D与生产率——基于中国制造业的实证研究[J].经济研究,2006(11).
作者姓名:吴延兵
作者单位:中国社会科学院经济研究所
摘    要:本文运用中国四位数制造产业数据对R&D与生产率之间的关系进行了实证检验。通过估计两种不同的生产函数模型,本文发现R&D对生产率有显著正影响。在控制了市场因素和产权因素的影响后,R&D与生产率之间仍旧表现出显著的正相关关系。本文还发现,R&D对生产率的促进作用也依赖于产业技术机会,高科技产业的R&D产出弹性显著大于非高科技产业的R&D产出弹性。

关 键 词:R&D  生产率  实证研究

R&D and Productivity:An Empirical Study on Chinese Manufacturing Industry
Wu Yanbing.R&D and Productivity:An Empirical Study on Chinese Manufacturing Industry[J].Economic Research Journal,2006(11).
Authors:Wu Yanbing
Abstract:The paper investigates the relationship between R&D and productivity by using the data on the four-digital manufacturing industries in China.We find that R&D has significantly positive effects on productivity through estimating two different kinds of production function model,and that the positive relationship between R&D and productivity is still remarkably existent when market factors and ownership factors are being controlled in the production function model.We also find that the positive effects of R&D on productivity depend on technical opportunities of industries,and that the elasticity of output with respect to R&D in high-tech industries is higher than that in non-high-tech industries.The paper gives empirical proof of appraising correctly R&D roles in economic growth.
Keywords:R&D  Productivity  Empirical Analysis  
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