Mitze, Timo ; Kosfeld, Reinhold ; Rode, Johannes ; Wälde, Klaus (2020)
Face masks considerably reduce COVID-19 cases in Germany.
In: Proceedings of the National Academy of Sciences, 117 (51)
doi: 10.1073/pnas.2015954117
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
Mitigating the spread of COVID-19 is the objective of most governments. It is of utmost importance to understand how effective various public health measures are. We study the effectiveness of face masks. We employ public regional data about reported severe acute respiratory syndrome coronavirus 2 infections for Germany. As face masks became mandatory at different points in time across German regions, we can compare the rise in infections in regions with masks and regions without masks. Weighing various estimates, we conclude that 20 d after becoming mandatory face masks have reduced the number of new infections by around 45%. As economic costs are close to zero compared to other public health measures, masks seem to be a cost-effective means to combat COVID-19.We use the synthetic control method to analyze the effect of face masks on the spread of COVID-19 in Germany. Our identification approach exploits regional variation in the point in time when wearing of face masks became mandatory in public transport and shops. Depending on the region we consider, we find that face masks reduced the number of newly registered severe acute respiratory syndrome coronavirus 2 infections between 15% and 75% over a period of 20 days after their mandatory introduction. Assessing the credibility of the various estimates, we conclude that face masks reduce the daily growth rate of reported infections by around 47%. Public health data have been deposited in FigShare (https://doi.org/10.6084/m9.figshare.13065920). All study data are included in the paper and SI Appendix.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2020 |
| Autor(en): | Mitze, Timo ; Kosfeld, Reinhold ; Rode, Johannes ; Wälde, Klaus |
| Art des Eintrags: | Bibliographie |
| Titel: | Face masks considerably reduce COVID-19 cases in Germany |
| Sprache: | Englisch |
| Publikationsjahr: | 2020 |
| Verlag: | National Academy of Sciences |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Proceedings of the National Academy of Sciences |
| Jahrgang/Volume einer Zeitschrift: | 117 |
| (Heft-)Nummer: | 51 |
| DOI: | 10.1073/pnas.2015954117 |
| URL / URN: | https://www.pnas.org/content/117/51/32293 |
| Kurzbeschreibung (Abstract): | Mitigating the spread of COVID-19 is the objective of most governments. It is of utmost importance to understand how effective various public health measures are. We study the effectiveness of face masks. We employ public regional data about reported severe acute respiratory syndrome coronavirus 2 infections for Germany. As face masks became mandatory at different points in time across German regions, we can compare the rise in infections in regions with masks and regions without masks. Weighing various estimates, we conclude that 20 d after becoming mandatory face masks have reduced the number of new infections by around 45%. As economic costs are close to zero compared to other public health measures, masks seem to be a cost-effective means to combat COVID-19.We use the synthetic control method to analyze the effect of face masks on the spread of COVID-19 in Germany. Our identification approach exploits regional variation in the point in time when wearing of face masks became mandatory in public transport and shops. Depending on the region we consider, we find that face masks reduced the number of newly registered severe acute respiratory syndrome coronavirus 2 infections between 15% and 75% over a period of 20 days after their mandatory introduction. Assessing the credibility of the various estimates, we conclude that face masks reduce the daily growth rate of reported infections by around 47%. Public health data have been deposited in FigShare (https://doi.org/10.6084/m9.figshare.13065920). All study data are included in the paper and SI Appendix. |
| Freie Schlagworte: | COVID-19, public health measures, face masks, synthetic control method |
| Fachbereich(e)/-gebiet(e): | 01 Fachbereich Rechts- und Wirtschaftswissenschaften 01 Fachbereich Rechts- und Wirtschaftswissenschaften > Volkswirtschaftliche Fachgebiete 01 Fachbereich Rechts- und Wirtschaftswissenschaften > Volkswirtschaftliche Fachgebiete > Fachgebiet Internationale Wirtschaft |
| Hinterlegungsdatum: | 07 Jan 2021 19:23 |
| Letzte Änderung: | 07 Jan 2021 19:23 |
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