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Divisia指数分解是研究指标变化的重要方法。本文依据1997年至2005年间中国和11个OECD国家的主要工业产业样本数据,运用对数平均Divisia指数的分解方法,实证分析了这些国家的能源密度变化特性,解释推动能源密度变化的主要因素,并在此基础上,针对中国六个产出效果和密度效果最显著的产业,同OECD国家进行横向比较,从而确定了中国进一步降低能源密度的潜力和最佳产业路径。
Divisia index decomposition is an important method to study the changes of indicators. Based on the sample data of major industrial industries from China and 11 OECD countries from 1997 to 2005, this paper empirically analyzes the energy density variation characteristics of these countries and explains the main factors that promote the change of energy density by using the logarithmic average Divisia index decomposition method. Based on this, a horizontal comparison with the OECD countries for the six industries with the most significant output and density effects in China is conducted to confirm the potential of China to further reduce its energy density and the best industrial path.