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Factor substitution, diversified sources on biased technological progress and decomposition of energy intensity in China's high-tech industry

机译：中国高科技产业的要素替代，偏向技术进步的多种来源以及能源强度的分解

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摘要

On the path to industrialization, the energy and environmental problems caused by the rapid growth of the manufacturing industry have attracted widespread attention. At the top scale of technological innovation, high-tech manufacturing is considered to have achieved a balance between the "Made in China 2025" strategy and energy conservation. Therefore, in this paper, we explore inter-factor substitution and the influence of different sources of technological progress on China's high-tech industries using an estimation model that incorporates a translog cost function and the 'panel seemingly unrelated regression' method. Changes in energy intensity are further decomposed into different causes including budget, output, factor substitution, and technological progress at various points throughout the period under study. The empirical findings show Morishima substitutions among three different input factors. The substitution elasticity between labor and energy is the highest, and further most sources of technological progress are biased toward saving energy. Technological progress and budget are the critical driving forces throughout the period. However, the effect of factor substitution has gradually increased in recent years. From a regional perspective, energy intensity in the Beijing-Tianjin-Hebei region shows the most apparent decline, while the smallest decline occurs in China's western region. (C) 2019 Elsevier Ltd. All rights reserved.
机译：在工业化道路上，由制造业的快速增长引起的能源和环境问题已引起广泛关注。在技​​术创新的最高水平，高科技制造业被认为在“中国制造2025”战略与节能之间取得了平衡。因此，在本文中，我们使用结合了对数成本函数和“面板看似无关的回归”方法的估算模型，探讨了要素间替代以及技术进步的不同来源对中国高科技产业的影响。在整个研究期间的各个时间点，能源强度的变化会进一步分解为不同的原因，包括预算，产出，要素替代和技术进步。实证结果表明，在三个不同输入因素之间的森岛替代。劳动力和能源之间的替代弹性最高，并且更多的技术进步来源都倾向于节约能源。技术进步和预算是整个时期的关键驱动力。但是，近年来，因子替代的效果逐渐增强。从区域角度看，京津冀地区的能源强度下降最为明显，而西部地区的下降幅度最小。 （C）2019 Elsevier Ltd.保留所有权利。

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  • 来源
    《Journal of Cleaner Production》 |2019年第10期|87-97|共11页
  • 作者

    Wei Zixiang; Han Botang; Han Lei; Shi Yingying;

  • 作者单位

    Beijing Inst Technol, Beijing, Peoples R China;

    Beijing Inst Technol, Beijing, Peoples R China;

    Beijing Inst Technol, Beijing, Peoples R China;

    Beijing Inst Technol, Beijing, Peoples R China;

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