Nikos Askitas, Konstantinos Tatsiramos, Bertrand Verheyden, 05 June 2020

In an attempt to mitigate the spread of COVID-19, countries around the world have implemented a number of lockdown policies, which varied in timing and intensity. This column presents the findings of an evaluation study across 135 countries on the effects of these policies on the daily incidence of COVID-19 and on various population mobility patterns. Policies preventing close contacts in large groups, such as public events, private gatherings, and schools are the most effective in reducing new infections. These effects are mediated by changes in population mobility patterns, which are consistent with time-use and epidemiological factors.

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