The impact of transportation infrastructure and industrial agglomeration on energy efficiency: Evidence from China’s industrial sectors

集聚经济 业务 面板数据 高效能源利用 中国 产业组织 环境经济学 经济地理学 运输工程 经济 经济增长 工程类 地理 考古 电气工程 计量经济学
作者
Wang Nian,Yingming Zhu,Tongbin Yang
出处
期刊:Journal of Cleaner Production [Elsevier BV]
卷期号:244: 118708-118708 被引量:129
标识
DOI:10.1016/j.jclepro.2019.118708
摘要

Transportation infrastructure plays an essential role in stimulating demand and booming economy in China. Meanwhile, evidence suggests that the development of transportation infrastructure and the resulting industrial agglomeration are highly associated with excessive energy consumption. Under the dual tasks of economic growth and environmental protection, we aim to investigate the mechanism by which transportation infrastructure and industrial agglomeration affect industrial energy efficiency in China. Based on panel data of China’s 30 provincial-level regions from 2000 to 2017, we apply the threshold panel model to verify the nonlinear relationship between transportation infrastructure and industrial energy efficiency. The mediation model is also constructed to estimate the mediating effect of industrial agglomeration in the association between transportation infrastructure and energy efficiency. The results show that there exists a nonlinear relationship between transportation infrastructure and industrial energy efficiency. Transportation infrastructure positively affects industrial energy efficiency only when a certain threshold is exceeded. Also, industrial agglomeration functions as a mediator in the relationship between transportation infrastructure and energy efficiency, indicating that transportation infrastructure not only directly affects energy efficiency, but also exerts an indirect effect through industrial agglomeration. These findings reveal the importance of developing transportation network, and seeking coordination between transportation infrastructure and industrial agglomeration.
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