The impact of industry integration on industrial energy efficiency in China

Energy & Environment Pub Date : 2024-04-16 DOI:10.1177/0958305x241246191

Haohao Wei, Sheng Ding

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Abstract

This study examined the impact of industrial integration on industrial energy efficiency in China. We measured industrial energy efficiency using stochastic frontier analysis with Mundlak auxiliary equations and distinguished between effective and ineffective energy use. We empirically examined the causal relationship between industrial integration and industrial energy efficiency using Chinese provincial industrial sector data for 2004 to 2021. The estimates showed that increasing the industry integration level by 1% reduced industrial inefficient energy use by 1.640%, which demonstrates that industry integration improved industrial energy efficiency significantly. The mechanism test showed that industrial integration improved industrial energy consumption through the scale effect. However, industrial integration can improve production efficiency through the technique effect, promote industrial upgrading through the composition effect, and reduce industrial energy intensity. Additionally, the causal relationship between industrial integration and industrial energy efficiency showed regional heterogeneity. The scale effect caused by industrial integration, rebound effect of technological progress, and transregional industrial transfer weakened the energy-saving effect of industrial integration.

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产业整合对中国工业能效的影响

本研究探讨了工业一体化对中国工业能源效率的影响。我们利用随机前沿分析法和蒙德拉克辅助方程对工业能效进行了测算，并区分了有效用能和无效用能。我们利用 2004 年至 2021 年中国省级工业部门的数据，实证检验了产业融合与工业能效之间的因果关系。估计结果表明，产业融合度每提高 1%，工业低效能源使用量就会减少 1.640%，这表明产业融合显著提高了工业能效。机理检验表明，产业融合通过规模效应改善了工业能耗。但是，产业融合可以通过技术效应提高生产效率，通过构成效应促进产业升级，降低工业能源强度。此外，产业融合与工业能效之间的因果关系呈现出区域异质性。产业融合的规模效应、技术进步的反弹效应以及跨区域产业转移削弱了产业融合的节能效应。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Energy & Environment

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