Countries worldwide have implemented lockdown measures to contain the covid-19 pandemic. After more than three months … message is that there is no "health vs. economics" dichotomy. Rather, some degree of lockdown is typically optimal in crisis … like this, balancing its economic costs against its health benefits. Moreover, the optimal lockdown is dynamic, changes …

. Calibrating the model to the US Covid-19 pandemic reveals an 80% reduction in death toll due to voluntary actions and the lockdown … implemented in the US. The optimal lockdown, however, is more stringent than what was implemented in the US. Moreover, the social … testing, showing its impact on reduced deaths, lower economic costs and laxer lockdown. We use the framework to provide …