Arbeitspapier

Face Masks Considerably Reduce Covid-19 Cases in Germany - A Synthetic Control Method Approach

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 sales shops. Depending on the region we consider, we find that face masks reduced the number of newly registered SARS‐CoV‐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%.

Language
Englisch

Bibliographic citation
Series: CESifo Working Paper ; No. 8479

Classification
Wirtschaft
Subject
Covid-19
public health measures
face masks
synthetic control method

Event
Geistige Schöpfung
(who)
Mitze, Timo
Kosfeld, Reinhold
Rode, Johannes
Wälde, Klaus
Event
Veröffentlichung
(who)
Center for Economic Studies and Ifo Institute (CESifo)
(where)
Munich
(when)
2020

Handle
Last update
10.03.2025, 11:45 AM CET

Data provider

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Object type

  • Arbeitspapier

Associated

  • Mitze, Timo
  • Kosfeld, Reinhold
  • Rode, Johannes
  • Wälde, Klaus
  • Center for Economic Studies and Ifo Institute (CESifo)

Time of origin

  • 2020

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