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 … by uncovering otherwise undetected (asymptomatic) cases. Case numbers in school-aged children spike in the first week … decrease after school re-openings, arguably as a result of detected clusters through the school testing. The age group 60 …