本文运用1999-2008年中国大中型工业企业33个行业的面板数据,构建基于超越对数生产函数的计量模型,实现对中国工业自主创新绩效的实证检验。研究表明,(1)我国大中型工业企业总体平均R&D资本存量产出弹性非常低;(2)各行业R&D资本存量产出弹性存在较大的差异;(3)虽然自主创新对工业增长的拉动作用很小,但自主创新绩效的改善趋势初步显现。进一步,本文讨论了实证结论的政策涵义。
Abstract
The performance of independent innovation in Chinese industries is explored by constructing a model of trans-log production function, and taking advantage of the penal data from the year of 1999 to 2008, covering 33 industries in China. The main findings are as follows: (1) as a whole, the elasticity of R&D capital stock on yield for Chinese large and middle-sized industrial enterprises is very low; (2) there is a significant elasticity differences among 33 industries; (3) although the promoting effect of independent innovation on industry growth is weak, the improving trend of the effect gradually reveals itself. Furthermore, some political connotations about these conclusions are proposed.
关键词
创新绩效 /
R&D资本存量产出弹性 /
超越对数生产函数
Key words
innovation performance /
R&D capital stock on yield elasticity /
trans-log production function
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基金
国家社会科学基金项目"产业视角下的中国工业自主创新效率研究"(批准号10BJL055)。
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