Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/227222 
Year of Publication: 
2020
Series/Report no.: 
IZA Discussion Papers No. 13695
Publisher: 
Institute of Labor Economics (IZA), Bonn
Abstract: 
Using county-level data on COVID-19 mortality and infections, along with county-level information on the adoption of non-pharmaceutical interventions (NPIs) in the United States, we examine how the speed of NPI adoption affected COVID-19 mortality. Our estimates suggest that advancing the date of NPI adoption by one day lowers the COVID-19 death rate by 2.4 percent. This finding proves robust to alternative measures of NPI adoption speed, model specifications that control for testing and mobility, and across various samples: national, restricted to the Northeast region, excluding New York, and excluding the Northeast region. We also find that the adoption speed of NPIs is associated with lower infections, as well as lower non-COVID mortality, suggesting that these measures slowed contagion and the pace at which the healthcare system might have been overburdened by the pandemic. Finally, NPI adoption speed appears to have been less relevant in Republican counties, suggesting that political ideology might have compromised their efficiency.
Subjects: 
COVID-19
mortality
infections
non-pharmaceutical interventions
United States
JEL: 
I1
I10
I18
Document Type: 
Working Paper

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