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在运用索洛余值法对1987-2007年间中国电力产业全要素生产率测算的基础上,建立包括电力产业民营化进程、政府定价、电源结构、资本深化等TFP影响因素的回归模型进行实证分析。结果发现,随着电力产业民营化进程的深入(即国有经济所占比重下降),电力产业的全要素生产率不断得到提高。同时,实证分析还表明政府价格规制对电力产业全要素生产率影响不显著,电源结构不合理则明显制约了全要素生产率的提高。
Based on the calculation of total factor productivity of power industry in China from 1987 to 2007 by using Solow residual value method, this paper establishes a regression model including the influence factors of TFP, such as privatization of power industry, government pricing, power supply structure and capital deepening. The result shows that with the deepening of the privatization of the power industry (that is, the decrease of the share of the state-owned economy), the total factor productivity of the power industry has been continuously improved. At the same time, the empirical analysis also shows that government price regulation has no significant effect on total factor productivity of the power industry, and irrational power supply structure obviously restricts the increase of total factor productivity.