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Traffic Congestion, Ambient Air Pollution, and Health: Evidence from Driving Restrictions in Beijing

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  • Nan Zhong
  • Jing Cao
  • Yuzhu Wang

Abstract

Vehicles have recently overtaken coal to become the largest source of air pollution in urban China. Research on mobile sources of pollution has foundered due both to inaccessibility of Chinese data on health outcomes and strong identifying assumptions. To address these, we collect daily ambulance call data from the Beijing Emergency Medical Center and combine them with an idiosyncratic feature of a driving restriction policy in Beijing that references the last digit of vehicles’ license plate numbers. Because the number 4 is considered unlucky by many in China, it tends to be avoided on license plates. As a result, days on which the policy restricts license plates ending in 4 unintentionally allow more vehicles in Beijing. Leveraging this variation, we find that traffic congestion is indeed 22% higher on days banning 4 and that 24-hour average concentration of NO2 is 12% higher. Correspondingly, these short-term increases in pollution increase ambulance calls by 12% and 3% for fever and heart-related symptoms, while no effects are found for injuries. These findings suggest that traffic congestion has substantial health externalities in China but that they are also responsive to policy.

Suggested Citation

  • Nan Zhong & Jing Cao & Yuzhu Wang, 2017. "Traffic Congestion, Ambient Air Pollution, and Health: Evidence from Driving Restrictions in Beijing," Journal of the Association of Environmental and Resource Economists, University of Chicago Press, vol. 4(3), pages 821-856.
    • Handle: RePEc:ucp:jaerec:doi:10.1086/692115
    DOI: 10.1086/692115
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    Cited by:

    1. Andrea Baranzini & Stefano Carattini & Linda Tesauro, 2021. "Designing Effective and Acceptable Road Pricing Schemes: Evidence from the Geneva Congestion Charge," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 79(3), pages 417-482, July.
    2. Zhang, Xiaodong & Yang, Qi & Xu, Xiaoqing & Sun, Qipeng & Mao, Xinhua, 2024. "Have mixed traffic restrictions improved air quality in different regions?," Transport Policy, Elsevier, vol. 150(C), pages 139-148.
    3. Shihe Fu & V. Brian Viard, 2022. "A mayors perspective on tackling air pollution," Chapters, in: Charles K.Y. Leung (ed.), Handbook of Real Estate and Macroeconomics, chapter 16, pages 413-437, Edward Elgar Publishing.
    4. Li, Ling & Yang, Linchuan, 2023. "Effects of driving restrictions on air quality and housing prices: Evidence from Chengdu, China," Transportation Research Part A: Policy and Practice, Elsevier, vol. 176(C).
    5. Li, Tianshu & Song, Shunfeng & Yang, Yanmin, 2022. "Driving restrictions, traffic speeds and carbon emissions: Evidence from high-frequency data," China Economic Review, Elsevier, vol. 74(C).
    6. Qiu, Feng & Tong, Qingmeng, 2021. "A spatial difference-in-differences approach to evaluate the impact of light rail transit on property values," Economic Modelling, Elsevier, vol. 99(C).
    7. Yuan Liang & Quan Yuan & Daoge Wang & Yong Feng & Pengfei Xu & Jiangping Zhou, 2022. "Panacea or Placebo? Exploring Causal Effects of Nonlocal Vehicle Driving Restriction Policies on Traffic Congestion Using Difference-in-differences Approach," Papers 2208.11577, arXiv.org, revised Jan 2023.
    8. Wei Chen & Jian Chen & Guopeng Yin, 2022. "Exploring side effects of ridesharing services in urban China: role of pollution–averting behavior," Electronic Commerce Research, Springer, vol. 22(4), pages 1007-1034, December.
    9. Eren Aydin & Kathleen Kürschner Rauck, 2023. "Low-emission zones, modes of transport and house prices: evidence from Berlin’s commuter belt," Transportation, Springer, vol. 50(5), pages 1847-1895, October.
    10. Champagne, Marie-Pier & Dubé, Jean, 2023. "The impact of transport infrastructure on firms’ location decision: A meta-analysis based on a systematic literature review," Transport Policy, Elsevier, vol. 131(C), pages 139-155.
    11. Chakrabarti, Sandip, 2022. "Passively wait for gridlock, or proactively invest in service? Strategies to promote car-to-transit switches among aspirational urbanites in rapidly developing contexts," Transport Policy, Elsevier, vol. 115(C), pages 251-261.
    12. Mohammad Maghrour Zefreh & Adam Torok, 2021. "Theoretical Comparison of the Effects of Different Traffic Conditions on Urban Road Environmental External Costs," Sustainability, MDPI, vol. 13(6), pages 1-22, March.
    13. Dong, Yan & Tian, Jinhuan & Wen, Qiang, 2022. "Environmental regulation and outward foreign direct investment: Evidence from China," China Economic Review, Elsevier, vol. 76(C).
    14. Austin M. Williams & Daniel J. Phaneuf, 2019. "The Morbidity Costs of Air Pollution: Evidence from Spending on Chronic Respiratory Conditions," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 74(2), pages 571-603, October.
    15. Chen, Wei & Klaiber, H. Allen, 2020. "Does road expansion induce traffic? An evaluation of Vehicle-Kilometers Traveled in China," Journal of Environmental Economics and Management, Elsevier, vol. 104(C).
    16. Liu, Zhaoyang & Hanley, Nick & Campbell, Danny, 2020. "Linking urban air pollution with residents’ willingness to pay for greenspace: A choice experiment study in Beijing," Journal of Environmental Economics and Management, Elsevier, vol. 104(C).
    17. Bagilet, Vincent & Zabrocki-Hallak, Léo, 2022. "Why Some Acute Health Effects of Air Pollution Could Be Inflated," I4R Discussion Paper Series 11, The Institute for Replication (I4R).
    18. Xia, Fan & Cheng, Ximeng & Lei, Zhen & Xu, Jintao & Liu, Yu & Zhang, Yingxin & Zhang, Qinghong, 2023. "Heterogeneous impacts of local traffic congestion on local air pollution within a city: Utilizing taxi trajectory data," Journal of Environmental Economics and Management, Elsevier, vol. 122(C).
    19. Sarmiento, Luis & Wägner, Nicole & Zaklan, Aleksandar, 2023. "The air quality and well-being effects of low emission zones," Journal of Public Economics, Elsevier, vol. 227(C).
    20. Liu, Antung A. & Linn, Joshua & Qin, Ping & Yang, Jun, 2018. "Vehicle ownership restrictions and fertility in Beijing," Journal of Development Economics, Elsevier, vol. 135(C), pages 85-96.
    21. Jerch, Rhiannon & Barwick, Panle Jia & Li, Shanjun & Wu, Jing, 2024. "The impact of road rationing on housing demand and sorting," Journal of Urban Economics, Elsevier, vol. 140(C).
    22. Yang, Jun & Liu, Antung A. & Qin, Ping & Linn, Joshua, 2020. "The effect of vehicle ownership restrictions on travel behavior: Evidence from the Beijing license plate lottery," Journal of Environmental Economics and Management, Elsevier, vol. 99(C).
    23. Xinming Du, 2023. "Symptom or Culprit? Social Media, Air Pollution, and Violence," CESifo Working Paper Series 10296, CESifo.
    24. Ye, Jingjing & Qin, Zhilong & Chen, Xiaoguang, 2021. "Adapt by adopting cleaner vehicles? — Evidence from a low-emission zone policy in Nanchang, China," China Economic Review, Elsevier, vol. 66(C).

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