) to evaluate the effects of vaccinations and variants on the epidemic and macroeconomic outlook. Vaccination plays the …, increasing the volatility of epidemic curves and worsening the macroeconomic outlook. If a more contagious variant emerges after …

partial loosening before the peak of the epidemic. Upon the availability of a vaccine, the optimal vaccination policy has an …

during an epidemic? We study a setting where ICU resources are constrained while suppression is costly (e.g., limiting … suppression measures are continuously taken to hold down the spread throughout the epidemic, is suboptimal. Instead, the optimal … suppression is discountinuous. The epidemic should be left unregulated in a first phase and when the ICU constraint is approaching …