Research on the Emission Reduction Effect of High-Speed Rail and Its Impact Mechanism

Yumeng Mao (), Xuemei Li (), Guanyi Liu (), Dehan Jiao () and Qingxian Zhao
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Yumeng Mao: Beijing Jiaotong University
Xuemei Li: Beijing Jiaotong University
Guanyi Liu: Beijing Jiaotong University
Dehan Jiao: Beijing Jiaotong University
Qingxian Zhao: Beijing Jiaotong University

A chapter in LISS 2023, 2024, pp 763-780 from Springer

Abstract: Abstract Energy saving, and emission reduction are one of the most crucial tasks for the current and future high-quality progression of China’s economy and society, and as an efficient and healthy transportation mode, high-speed rail (HSR) is significant for improving China’s ecological environment. In this paper, we take the “quasi-natural experiment” of whether to open HSR as an opportunity to empirically analyze the mitigation effect of emissions, spatial heterogeneity, and mechanism of the effect of HSR’s opening based on the panel data of China from 2006 to 2020 and using double difference model. The results clarify that HSR can effectively suppress urban pollutant emissions, including urban sulfur dioxide emissions and wastewater emissions, with an emission reduction effect, and the subsequent robustness tests confirm this conclusion. Heterogeneity test’s results by region display that the effect of HSR on energy saving and emission reduction shows a decreasing trend from West, Central to East. Additionally, the operation of HSR declines the emission of pollutant sulfur dioxide mainly through the STI effect, and the impact on wastewater emission is not significant. In the current strategic context of a strong transportation country and green transportation, this study contributes to an in-depth understanding of the importance of upgrading transportation infrastructure for regional sustainable development.

Keywords: emission reduction effect; urban sulfur dioxide emissions; wastewater emissions; difference-in-difference model (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:spr:lnopch:978-981-97-4045-1_60

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DOI: 10.1007/978-981-97-4045-1_60

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