Joakim Weill presented his research on the public management against COVID-19 in the United States. This work is a collaboration with Michael Springborn and other coauthors. The U.S. response to managing the COVID-19 pandemic has been marked by decentralized management on the part of counties and states.  Jo and coauthors examine the effectiveness of public measures at multiple, overlapping layers of governance to reduce prevalence of COVID-19.  These multiple overlapping layers include federal, state and county government declarations, including government-mandated social distancing (GMSD). Finally, they find extremely large heterogeneity in responses to these measures based on income.