-19 pandemic. We measure county-level mobility covering all U.S. states and District of Columbia produced by GPS pings to … 15-17 million smartphones and zip-code-level mobility using Facebook location data. Then, using the historical position …

-19 pandemic. We measure county-level mobility covering all U.S. states and District of Columbia produced by GPS pings to … 15-17 million smartphones and zip-code-level mobility using Facebook location data. Then, using the historical position …

-19 pandemic. We measure county-level mobility covering all U.S. states and District of Columbia produced by GPS pings to … 15-17 million smartphones and zip-code-level mobility using Facebook location data. Then, using the historical position …

-19 pandemic. We measure county-level mobility covering all U.S. states and District of Columbia produced by GPS pings to … 15-17 million smartphones and zip-code-level mobility using Facebook location data. Then, using the historical position …

This paper reexamines the design of the optimal lockdown strategy by paying attention to its robustness to the … postulated social welfare criterion. We first characterize optimal lockdown under utilitarianism, and we show that this social …-maximal lockdown saving lives at the cost of reducing average utility at a given period, there exists always a stricter lockdown, which …