Abstract
Since the beginning of the COVID-19 pandemic, a large number of studies have investigated the relationship between COVID-19 outcomes and the environment. In particular, this literature focuses on two main research questions: i) What is the impact of air quality on COVID-19 infections and deaths, if any? ii) what is the effect of the lockdown measures on air quality, and therefore on COVID-19 outcomes, if any? This chapter reviews the academic literature that tries to answer these questions. It documents a number of studies conducted in different places and periods finding statistically significant associations between quality of air and COVID-19 infections, and COVID-19 adverse outcomes. Methodologically, some of these studies also have plausible identification strategies to test causality links between the two variables, and their results suggest that air pollution may have a long-term and a short-term effect on COVID-19 outcomes. The chapter also reviews methodological challenges in this literature and discusses how policy-makers might benefit from the evidence gathered so far. Moreover, it documents that lockdown measures significantly affect quality of air, even though it remains unclear whether this effect contributed to slowing down the spread of the virus.
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Responsible Section Editor: Sergio Scicchitano.
The chapter has benefitted from valuable comments of the editor, anonymous referees, and precious comments from Gianluigi Conzo, Pierluigi Conzo, Gabriele Beccari, Davide de Santis, Tommaso Luzzati, Jeffrey Sachs, and Phoebe Koundouri. There is no conflict of interest.
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Becchetti, L., Palmer, T., Salustri, F. (2022). Air Pollution and Covid-19. In: Zimmermann, K.F. (eds) Handbook of Labor, Human Resources and Population Economics. Springer, Cham. https://doi.org/10.1007/978-3-319-57365-6_363-1
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