Energy industry investment influences total factor productivity of energy exploitation: A biased technical change analysis

Energy industry investment influences total factor productivity of energy exploitation: A biased technical change analysis
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能源产业投资影响能源开发全要素生产率:有偏的技术变革分析

DOI:
10.1016/j.jclepro.2019.117847
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发表时间:
2019-11
影响因子:
11.1
通讯作者:
Zhang Lian
Zhang Lian
中科院分区:
环境科学与生态学1区
文献类型:
--
作者:
Peng Jiachao;Xiao Jianzhong;Wen Le;Zhang Lian

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技术进步在通过提高能效维持清洁世界方面发挥着关键作用。最优能源产业投资既能降低能源产业的成本,又能避免过度投资造成的环境恶化。这项研究涉及技术进步和能源工业投资。本文提出了一种新的能源开发Malmquist全要素生产率指数(MI)测度框架,并据此分析了2006 - 2016年中国30个省份的MI。在效率测度结果的基础上,进一步考察了不同类型的偏向性技术变化下,能源产业投资对MI的非线性影响。结果表明,在1998年至2000年期间,MI的增长率为1.92%. MI的两个分解指数技术效率和技术变化的增长率分别为0.63%和1.59%,表明MI的上升主要归因于技术变化。产出偏向型技术变化、投入偏向型技术变化和技术变化量的平均值分别为1.0443、1.0066和0.9723,表明产出偏向型技术变化对技术变化的贡献最大。这些技术变化在不同省份的差异提供了信息,可以帮助设计一个有效的能源政策,以提高特定省份的效率。根据能源行业投资对MI的阈值估计,在大于第一阈值的范围内,影响是显著的。研究发现,能源工业投资每增加1亿元,MI增加0.0001。
Technical progress plays a critical role in sustaining a clean world through energy efficiency improvement. The optimal energy industry investment not only reduces the cost for energy industry but also avoids environmental degradation via over-investment. This study addresses both technical progress and energy industry investment. We present a novel measuring framework for the Malmquist total factor productivity index (MI) of energy exploitation, and accordingly analyze the MI of China's 30 provinces between 2006 and 2016. Based on the efficiency measurement results, we further examine the nonlinear impact of energy industry investment on the MI under different types of biased technical change. The results show that the growth rate of MI is 1.92%. The growth rates of MI's two decomposition indices, technical efficiency and technical change, are 0.63% and 1.59%, respectively, indicating that the MI rise is primarily ascribed to technical change. The mean values of the output-biased technological change, the input-biased technological change and the magnitude of technological change are 1.0443, 1.0066 and 0.9723, respectively, indicating that of the three, output-biased technological change is the most significant contributor to technical change. The variation of these technical changes in different provinces provides information that could help in designing an effective energy policy to increase efficiency for a specific province. According to the threshold estimates of energy industry investment on the MI, the effect is significant within the range greater than the first threshold value. We find that the MI increases by 0.0001 when energy industry investment increases by 100,000,000 yuan.
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发表时间: 2014
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