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Synergetic conservation of water and energy in China's industrial sector: From the perspectives of output and substitution elasticities

机译：中国工业部门水和能源的协同节约：从产出和替代弹性的角度

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摘要

China's rapid industrialization has induced water and energy shortage issue. Since water and energy resources are inextricably connected, the synergetic conservation of these two resources is conducive to China's sustainable development. In this paper, using a heterogeneous stochastic frontier model, we estimate the output and substitution elasticities of water and energy in China's industrial sector at the provincial level during the period of 2004-2014, in order to explore how to achieve synergetic conservation of water and energy resources by identifying the water-energy nexus. The results show that in China's industrial sector, the overall technical efficiency measured by the ratio of actual output to the ideal output in production frontier experienced a slight decline during the research period. The output elasticity (i.e., the changes in output caused by per unit change in a certain input) of water remains positive, while that of energy is negative in most years, indicating that water input increase contributes to industrial output growth, rather than energy input. Water and energy show a complementary relationship in most years, suggesting that a decrease in water input can reduce energy input. Therefore, to achieve the synergetic conservation of water and energy, the government should actively advance water-saving and energy-saving technologies by taking account of the differentiated production characteristics of different provincial-level industrial sector. In particular, when water and energy are complementary, the technological progress for saving either energy or water will be conducive to the synergetic conservation of these two resources.
机译：中国快速的工业化引发了水和能源短缺的问题。由于水资源和能源之间有着千丝万缕的联系，这两种资源的协同保护有利于中国的可持续发展。本文采用非均质随机边界模型，估算了2004-2014年中国省级工业部门水和能源的产出和替代弹性，以探索如何实现水与能源的协同保护。通过识别水能源关系来获取能源资源。结果表明，在中国的工业部门中，以实际产量与生产前沿的理想产量之比衡量的总体技术效率在研究期间略有下降。水的输出弹性（即，由某个输入单位的单位变化引起的输出变化）保持正值，而能源的负值在大多数年份中为负值，这表明水输入的增加有助于工业输出的增长，而不是能源的输入。在大多数年份中，水和能源显示出互补的关系，这表明水输入量的减少可以减少能量输入。因此，为实现水和能源的协同节约，政府应考虑不同省级工业部门的差异化生产特点，积极推进节水节能技术。特别是当水和能源互补时，节约能源或节水的技术进步将有利于这两种资源的协同保护。

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  • 来源
    《Journal of Environmental Management》 |2020年第1期|110045.1-110045.11|共11页
  • 作者

    Shuai Shao; Zhenbing Yang; Lili Yang; Xi Zhang; Yong Geng;

  • 作者单位

    School of Urban and Regional Science Institute of Finance and Economics Research Shanghai University of Finance and Economics Shanghai 200433 China;

    School of Economics Institute of Green Economy Development Nanjing University of Finance and Economics Nanjing 210023 China;

    School of International Economics and Trade Shanghai Lixin University of Accounting and Finance Shanghai 201209 China;

    School of Environmental Science and Engineering Shanghai Jiao Tong University Shanghai 200240 China;

    School of International and Public Affairs Shanghai Jiao Tong University Shanghai 200030 China China Institute for Urban Governance Shanghai Jiao Tong University Shanghai 200240 China Shanghai Institute of Pollution Control and Ecological Security Shanghai 200092 China;

  • 收录信息 美国《科学引文索引》(SCI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Synergetic conservation; Water-energy nexus; Output elasticity; Substitution elasticity; Heterogeneous stochastic frontier model; China;

    机译：协同保护;水能关系;输出弹性;替代弹性;异构随机边界模型;中国;

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