The response to the covid pandemic has varied widely across countries and over time. In this paper, we analyze the determinants of covid restrictions both theoretically and empirically. Consistent with our model’s predictions, we find that the covid protocol is particularly sensitive to the...

Although evidence accrues in biology, anthropology and experimental economics that homo sapiens is a cooperative species, the reigning assumption in economic theory is that individuals optimize in an autarkic manner (as in Nash and Walrasian equilibrium). I here postulate a cooperative kind of...