全要素生产率与技术进步间的差别及测算——几何微分法的应用被引量：27

Difference and Estimating of Total Factor Productivity and Technical Change

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摘要通过理论推导揭示时变产出弹性下全要素生产率增长率与技术进步在计量上的差别,本文提出估算时变产出弹性的简单公式和直接估算技术进步的方法,根据解析几何原理提出计算总量生产函数各变量导数的几何微分法,并测算了1978～2009年我国全要素生产率增长率和技术进步。测算结果表明,二者之间确实存在明显的差异,产出弹性改变的影响是造成这种差异的重要原因。 This paper reveals quantitative difference between growth rate of total factor productivity （TFP） and the technical change at time-varying output elasticity based on theoretical derivation. We also suggest a simple formula to estimate time-varying output elasticity of capital in different periods and method to estimate the technical change directly, and suggest geometrical differential method calculating derivative of various variables in the aggregate production function based on principle of analytic geometry. By using these formula and methods, we estimate growth of TFP and the technical change of China in 1978-2009. Estimating results show that the difference between growth rate of TFP and the technical change is significant. It finds that the effect of change of output elasticity is an important rea- son causing this difference.

作者陈瑾瑜

机构地区西南科技大学经济管理学院

出处《数量经济技术经济研究》 CSSCI 北大核心 2012年第6期48-60,共13页 Journal of Quantitative & Technological Economics

关键词全要素生产率技术进步时变产出弹性几何微分法 TFP Technical Change Time-varying Output Elasticity Geometrical Differential Method

分类号 F061.5 [经济管理—政治经济学]

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