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The Beneficial Impacts of COVID-19 Lockdowns on Air Pollution: Evidence from Vietnam

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  • Dang, Hai-Anh H

    (World Bank)

  • Trinh, Trong-Anh

    (Monash University)

Abstract

Little evidence currently exists on the effects of COVID-19 on air quality in poorer countries, where most air pollution-linked deaths occur. We offer the first study that examines the pandemic's impacts on improving air quality in Vietnam, a lower-middle income country with worsening air pollution. Employing the Regression Discontinuity Design method to analyze a rich database that we compile from satellite air pollution data and data from various other sources, we find the concentration of NO2 to decrease by 24 to 32 percent two weeks after the COVID-19 lockdown. While this finding is robust to different measures of air quality and model specifications, the positive effects of the lockdown appear to dissipate after ten weeks. We also find that mobility restrictions are a potential channel for improved air quality. Finally, our back-of-the-envelope calculations suggest that two weeks after the lockdown, the economic gains from better air quality are roughly $0.6 billion US dollars.

Suggested Citation

  • Dang, Hai-Anh H & Trinh, Trong-Anh, 2020. "The Beneficial Impacts of COVID-19 Lockdowns on Air Pollution: Evidence from Vietnam," IZA Discussion Papers 13651, Institute of Labor Economics (IZA).
    • Handle: RePEc:iza:izadps:dp13651
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    Cited by:

    1. Dang, Hai-Anh H. & Nguyen, Cuong Viet & Carletto, Calogero, 2023. "Did a successful fight against COVID-19 come at a cost? Impacts of the pandemic on employment outcomes in Vietnam," World Development, Elsevier, vol. 161(C).
    2. Stephen Frimpong & Harriet Frimpong & Alex Barimah Owusu & Isaac Duah Boateng & Benjamin Adjei, 2023. "Livelihood Changes, Spatial Anticontagion Policy Effects, and Structural Resilience of National Food Systems in a Sub-Saharan African Country Context: A Panel Machine Learning Approach," Social Sciences, MDPI, vol. 12(11), pages 1-24, November.
    3. Trinh Q. Long, 2021. "Individual Subjective Well-Being during the COVID-19 Pandemic," Sustainability, MDPI, vol. 13(14), pages 1-18, July.
    4. Hai-Anh Dang & Minh Do, 2022. "COVID-19 Pandemic and the Health and Well-being of Vulnerable People in Vietnam," Working Papers 628, ECINEQ, Society for the Study of Economic Inequality.
    5. Daniel L. Millimet & Christopher F. Parmeter, 2022. "COVID‐19 severity: A new approach to quantifying global cases and deaths," Journal of the Royal Statistical Society Series A, Royal Statistical Society, vol. 185(3), pages 1178-1215, July.
    6. Camino-Mogro, Segundo, 2020. "Turbulence in startups: Effect of COVID-19 lockdown on creation of new firms and its capital," MPRA Paper 104502, University Library of Munich, Germany.
    7. Lei, Yiyuan & Ozbay, Kaan, 2021. "A robust analysis of the impacts of the stay-at-home policy on taxi and Citi Bike usage: A case study of Manhattan," Transport Policy, Elsevier, vol. 110(C), pages 487-498.

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    More about this item

    Keywords

    Vietnam; mobility restriction; COVID-19; air pollution; RDD;
    All these keywords.

    JEL classification:

    • D00 - Microeconomics - - General - - - General
    • H00 - Public Economics - - General - - - General
    • O13 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products
    • Q50 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - General

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