Numerous government policies have attempted to keep workers out of the workplace, on the assumption that this will lower transmission of COVID-19. We test that assumption, measuring the effect of aggregate workplace absence on US COVID deaths at the county level through August. Instrumenting...

Numerous government policies have attempted to keep workers out of the workplace, on the assumption that this will lower transmission of COVID-19. We test that assumption, measuring the effect of aggregate workplace absence on US COVID deaths at the county level through August. Instrumenting...

Technological change, from the advent of robots to expanded trade opportunities, tends to create winners and losers. How should government policy respond? And how should the overall welfare impact of technological change on society be valued? We provide a general theory of optimal technology...

Technological change, from the advent of robots to expanded trade opportunities, tends to create winners and losers. How should government policy respond? And how should the overall welfare impact of technological change on society be valued? We provide a general theory of optimal technology...

A large agronomic literature models the implications of climate change for a variety of crops and locations around the world. The goal of the present paper is to quantify the macro-level consequences of these micro-level shocks. Using an extremely rich micro-level dataset that contains...

We study the relationship between international trade and development in a model where countries differ in their capability, goods differ in their complexity, and capability growth is a function of a country's pattern of specialization. Theoretically, we show that it is possible for...