COVID-19 lockdowns and air quality: Evidence from grey spatiotemporal forecasts

Mingyun Gao, Honglin Yang, Qinzi Xiao and Mark Goh

Socio-Economic Planning Sciences, 2022, vol. 83, issue C

Abstract: This paper proposes a novel grey spatiotemporal model and quantitatively analyzes the spillover and momentum effects of the COVID-19 lockdown policy on the concentration of PM2.5 (particulate matter of diameter less than 2.5 μm) in Wuhan during the COVID-19 pandemic lockdown from 23 January to 8 April 2020 inclusive, and the post-pandemic period from 9 April 2020 to 17 October 2020 inclusive. The results suggest that the stringent lockdowns lead to a reduction in PM2.5 emissions arising from a momentum effect (9.57–18.67%) and a spillover effect (7.07–27.60%).

Keywords: PM2.5 forecasting; Spillover effect; Momentum effect; Grey spatiotemporal model (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:soceps:v:83:y:2022:i:c:s0038012122000064

DOI: 10.1016/j.seps.2022.101228

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