Countries worldwide have implemented lockdown measures to contain the COVID-19 pandemic. After more than three months of restrictions to economic activities in many countries, the question has turned to the best ways to lift lockdowns while keeping the epidemic in check. Here I use basic...

Countries restrict the overall extent of international travel and migration to balance the expected costs and benefits of mobility. Given the ever-present threat of new, future pandemics, how should permanent restrictions on mobility respond? A simple theoretical framework predicts that reduced...

We analyze the impact of different designs of COVID-19 related lockdown policies on economic loss and mortality using a micro-level simulation model, which combines a multi-sectoral closed economy with an epidemic transmission model. In particular, the model captures explicitly the (stochastic)...

Recent data on COVID-19 would suggest that no country is inured to the adverse effects of this disease. Although experts somehow agree on the virulence of the COVID-19 virus (SARS-CoV-2), it is puzzling why some countries have experienced the full brunt of the virus while others appear to have...

This paper examines the speed with which governments introduced lockdown measures to contain the COVID-19 pandemic. We use data on daily confirmed COVID-19 cases and related deaths combined with information on containment measures available for 124 countries as well as a range of annual...

COVID-19 has brought to the fore the issue of state preparedness in mitigating health emergencies. This paper problematizes the received wisdom of greater state capacity in mitigating the severity of the pandemic. Based on a case study of West Bengal, a subnational state of India, it shows that...

This study analyzes the impact of COVID-19 deniers on the spread of COVID-19 in Germany. In a first step, we establish a link between regional proxies of COVID-19 deniers and infection rates. We then estimate the causal impact of large anti-lockdown protests on the spread of COVID-19 using an...

We use anonymized and aggregated data from Facebook to show that areas with stronger social ties to two early COVID-19 “hotspots” (Westchester County, NY, in the U.S. and Lodi province in Italy) generally have more confirmed COVID-19 cases as of March 30, 2020. These relationships hold after...