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On the effects of COVID-19 safer-at-home policies on social distancing, car crashes and pollution

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  • Brodeur, Abel
  • Cook, Nikolai
  • Wright, Taylor

Abstract

This paper investigates the impacts of COVID-19 safer-at-home polices on collisions and pollution. We find that statewide safer-at-home policies lead to a 20% reduction in vehicular collisions and that the effect is entirely driven by less severe collisions. For pollution, we find particulate matter concentration levels approximately 1.5 μg/m3 lower during the period of a safer-at-home order, representing a 25% reduction. We document a similar reduction in air pollution following the implementation of similar policies in Europe. We calculate that as of the end of June 2020, the benefits from avoided car collisions in the U.S. were approximately $16 billion while the benefits from reduced air pollution could be as high as $13 billion.

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  • Brodeur, Abel & Cook, Nikolai & Wright, Taylor, 2021. "On the effects of COVID-19 safer-at-home policies on social distancing, car crashes and pollution," Journal of Environmental Economics and Management, Elsevier, vol. 106(C).
    • Handle: RePEc:eee:jeeman:v:106:y:2021:i:c:s0095069621000103
    DOI: 10.1016/j.jeem.2021.102427
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    More about this item

    Keywords

    COVID-19; Safer-at-home; Lockdowns; Air pollution; Car crashes;
    All these keywords.

    JEL classification:

    • P48 - Political Economy and Comparative Economic Systems - - Other Economic Systems - - - Legal Institutions; Property Rights; Natural Resources; Energy; Environment; Regional Studies
    • Q53 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Air Pollution; Water Pollution; Noise; Hazardous Waste; Solid Waste; Recycling
    • Q58 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Environmental Economics: Government Policy

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