Isphording, Ingo Eduard; Diederichs, Marc; Ewijk, Reyn van - 2021
We use event-study models based on staggered summer vacations in Germany to estimate the effect of school re-openings after the summer of 2021 on the spread of SARS-CoV-2. Estimations are based on daily counts of confirmed coronavirus infections across all 401 German counties. Our results are...