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DETER-ing Deforestation in the Amazon: Environmental Monitoring and Law Enforcement

By Juliano Assunção, Clarissa Gandour, and Romero Rocha

American Economic Journal: Applied Economics, April 2023

We study Brazil's recent use of satellite technology to overcome law enforcement shortcomings resulting from weak institutional environments. DETER is a system that processes satellite imagery and issues near-real-time deforestation alerts to target envir...

Infrastructure Costs

By Leah Brooks and Zachary Liscow

American Economic Journal: Applied Economics, April 2023

Despite infrastructure's importance to the US economy, evidence on its cost trajectory over time is sparse. We document real spending per new mile over the history of the Interstate Highway System. We find that spending per mile increased more than threef...

Pay Transparency and the Gender Gap

By Michael Baker, Yosh Halberstam, Kory Kroft, Alexandre Mas, and Derek Messacar

American Economic Journal: Applied Economics, April 2023

We examine the impact of public sector salary disclosure laws on university faculty salaries in Canada. The laws, which enable public access to the salaries of individual faculty if they exceed specified thresholds, were introduced in different provinces ...

Emigration and Entrepreneurial Drain

By Massimo Anelli, Gaetano Basso, Giuseppe Ippedico, and Giovanni Peri

American Economic Journal: Applied Economics, April 2023

Emigration of young, highly educated individuals may deprive origin countries of entrepreneurs. We identify exogenous variation in emigration from Italy by interacting past diaspora networks and current economic pull factors in destination countries. We f...

When Externalities Collide: Influenza and Pollution

By Joshua Graff Zivin, Matthew Neidell, Nicholas J. Sanders, and Gregor Singer

American Economic Journal: Applied Economics, April 2023

Influenza and air pollution each pose significant health risks with global economic consequences. Their shared etiological pathways present a case of compounding health risk via interacting externalities. Using instrumental variables based on changing win...