偏向性技术进步下中国能源强度变动研究

Research on the Fluctuation of Energy Intensity in China under the Biased Technological Progress

摘要:

从偏向性技术进步这一角度，采用LMDI指数分解法、回归法相结合的方法研究我国能源强度变动的原因，从而对我国能源强度不断下降的现象作出解释。得到的主要结论有：第一，从外生偏向性技术进步下的能源强度增长情况而言，能源增长型技术水平的提升显著地影响了国内的能源强度，能源价格与技术水平的提高可以分别解释28%与72%的能源强度变化；第二，就内生偏向性技术水平提升下的能源强度增长而言，二产比重、能源价格、研发投入是影响能源强度变动的主要原因，改革开放以来我国能源强度不断下降的主要原因是研发投入的快速增长和能源价格的提高。

Abstract:

From the perspective of biased technological progress, this paper studies the reasons of energy intensity change in China by using combined method of LMDI index decomposition and regression, and explains the phenomenon of energy intensity decreasing in China. The main conclusions obtained are as follows: Firstly, the improvement of energy-type technology level significantly affects the domestic energy intensity from the growth of energy intensity under exogenous bias technology progress, and the improvement of energy price and technology level can explain the change of energy intensity by 28%and 72% respectively. Secondly, in terms of increasing energy intensity under the improvement of endogenous biased technology level, the proportion of secondary production, energy price and R&D investment are the main reasons for the change of energy intensity, and the main reason for the decline of domestic energy intensity since the reform and opening up is the rapid growth of R&D investment and the increase of energy price.