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Optimal Targeted Lockdowns in a Multigroup SIR Model

By Daron Acemoglu, Victor Chernozhukov, ±õ±¹Ã¡²Ô Werning, and Michael D. Whinston

òòò½Íø Review: Insights, December 2021

We study targeted lockdowns in a multigroup SIR model where infection, hospitalization, and fatality rates vary between groups—in particular between the "young," the "middle-aged," and the "old." Our model enables a tractable quantitative analysis of op...

Cheating with Models

By Kfir Eliaz, Ran Spiegler, and Yair Weiss

òòò½Íø Review: Insights, December 2021

Beliefs and decisions are often based on confronting models with data. What is the largest "fake" correlation that a misspecified model can generate, even when it passes an elementary misspecification test? We study an "analyst" who fits a model, represen...

Mass Atrocities and Their Prevention

By Charles H. Anderton and Jurgen Brauer

Journal of Economic Literature, December 2021

Counting conservatively, data show about 100 million mass atrocity-related deaths since 1900. A distinct empirical phenomenon, mass atrocities are events of enormous scale, severity, and brutality, occur in wartime and in peacetime, are geographically w...