We present a Simple SIR Macro Model to study the economic impact of an epidemic in a model were agent types are unobservable. We solve for the decentralized economy equilibrium and for optimal solution (subject to the constraint that the planner cannot differentiate between agent types). We find...

The financial and economic crisis brings to a reconsideration of macroeconomics: as it happened in the past, after the Great Crash of 1929 as well as after the Second World War and after the collapse of the Bretton Woods system in 1971 and the subsequent oil crisis. A brief critical survey of...