Biographical note: BarroRobert: Robert J. Barro is Professor of Economics, Harvard University, and has written widely on macroeconomic and monetary economics. He is the author of Macroeconomics and the editor of Modern Business Cycle Theory.

We develop a novel empirical approach to identify the effectiveness of policies against a pandemic. The essence of our approach is the insight that epidemic dynamics are best tracked over stages, rather than over time. We use a normalization procedure that makes the pre-policy paths of the...

We develop a novel empirical approach to identify the effectiveness of policies against a pandemic. The essence of our approach is the insight that epidemic dynamics are best tracked over stages, rather than over time. We use a normalization procedure that makes the pre-policy paths of the...