This note lays out the basic Susceptible-Infected-Recovered (SIR) epidemiological model of contagion, with a target audience of economists who want a framework for understanding the effects of social distancing and containment policies on the evolution of contagion and interactions with the...

This note lays out the basic Susceptible-Infected-Recovered (SIR) epidemiological model of contagion, with a target audience of economists who want a framework for understanding the effects of social distancing and containment policies on the evolution of contagion and interactions with the...

We estimate the impact of the COVID-19 crisis on business failures among small and medium-size enterprises (SMEs) in seventeen countries using a large representative firm-level database. We use a simple model of firm cost minimization and measure each firm’s liquidity shortfall during and...