Fighting against COVID-19 requires wearing a face mask by not some but all

This paper investigates the effects of wearing a face mask on fighting against the coronavirus disease 2019 (COVID-19). The formal analysis is achieved by using a difference-in-difference design, where U.S. county-level data on changes in COVID-19 cases or deaths are regressed on lagged changes in s...

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Main Author: Hakan Yilmazkuday
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:Transportation Research Interdisciplinary Perspectives
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2590198224002781
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author Hakan Yilmazkuday
author_facet Hakan Yilmazkuday
author_sort Hakan Yilmazkuday
collection DOAJ
description This paper investigates the effects of wearing a face mask on fighting against the coronavirus disease 2019 (COVID-19). The formal analysis is achieved by using a difference-in-difference design, where U.S. county-level data on changes in COVID-19 cases or deaths are regressed on lagged changes in social interaction of people measured by Google mobility. The main contribution is achieved by distinguishing between the effects of social interaction on COVID-19 in different U.S. counties based on the corresponding share of people wearing a face mask determined by Dynata surveys. After controlling for county-specific and time-specific factors, the results show that social interaction increases both COVID-19 cases and deaths across U.S. counties, unless more than (or equal to ) 85% of people in a county “always” wear a face mask. It is implied that people can have social interactions without any statistically significant effects on the spread of COVID-19, if a community-wide wearing of face masks can be achieved.
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institution Kabale University
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series Transportation Research Interdisciplinary Perspectives
spelling doaj-art-e366097c715741009aecfb88cc72020d2025-02-09T05:01:10ZengElsevierTransportation Research Interdisciplinary Perspectives2590-19822025-01-0129101292Fighting against COVID-19 requires wearing a face mask by not some but allHakan Yilmazkuday0Department of Economics, Florida International University, Miami, FL 33199, USAThis paper investigates the effects of wearing a face mask on fighting against the coronavirus disease 2019 (COVID-19). The formal analysis is achieved by using a difference-in-difference design, where U.S. county-level data on changes in COVID-19 cases or deaths are regressed on lagged changes in social interaction of people measured by Google mobility. The main contribution is achieved by distinguishing between the effects of social interaction on COVID-19 in different U.S. counties based on the corresponding share of people wearing a face mask determined by Dynata surveys. After controlling for county-specific and time-specific factors, the results show that social interaction increases both COVID-19 cases and deaths across U.S. counties, unless more than (or equal to ) 85% of people in a county “always” wear a face mask. It is implied that people can have social interactions without any statistically significant effects on the spread of COVID-19, if a community-wide wearing of face masks can be achieved.http://www.sciencedirect.com/science/article/pii/S2590198224002781COVID-19CoronavirusSocial interactionFace masksU.S. counties
spellingShingle Hakan Yilmazkuday
Fighting against COVID-19 requires wearing a face mask by not some but all
Transportation Research Interdisciplinary Perspectives
COVID-19
Coronavirus
Social interaction
Face masks
U.S. counties
title Fighting against COVID-19 requires wearing a face mask by not some but all
title_full Fighting against COVID-19 requires wearing a face mask by not some but all
title_fullStr Fighting against COVID-19 requires wearing a face mask by not some but all
title_full_unstemmed Fighting against COVID-19 requires wearing a face mask by not some but all
title_short Fighting against COVID-19 requires wearing a face mask by not some but all
title_sort fighting against covid 19 requires wearing a face mask by not some but all
topic COVID-19
Coronavirus
Social interaction
Face masks
U.S. counties
url http://www.sciencedirect.com/science/article/pii/S2590198224002781
work_keys_str_mv AT hakanyilmazkuday fightingagainstcovid19requireswearingafacemaskbynotsomebutall