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Looking Back at 50 Years of the Clean Air Act

By Joseph E. Aldy, Maximilian Auffhammer, Maureen Cropper, Arthur Fraas, and Richard Morgenstern

Journal of Economic Literature, March 2022

We synthesize and review retrospective analyses of federal air quality regulations to examine the contributions of the Clean Air Act (CAA) to the vast air quality improvements seen since 1970. Geographic heterogeneity in stringency affects emissions, publ...

Recessions, Mortality, and Migration Bias: Evidence from the Lancashire Cotton Famine

By Vellore Arthi, Brian Beach, and W. Walker Hanlon

American Economic Journal: Applied Economics, April 2022

We examine the health effects of the Lancashire Cotton Famine, a sharp downturn in Britain's cotton textile manufacturing regions that was induced by the US Civil War. Migration was an important response to this downturn, but as we document, migration als...

Estimating the Effects of Milk Inspections on Infant and Child Mortality, 1880−1910

By D. Mark Anderson, Kerwin Kofi Charles, Michael McKelligott, and Daniel I. Rees

AEA Papers and Proceedings, May 2022

In the mid-nineteenth century, the urban milk supply in the United States was regularly skimmed or diluted with water, reducing its nutritional value. At the urging of public health experts, cities across the country hired milk inspectors, who were tasked...

Parental Deportation, Safe-Zone Schools, and the Socio-Emotional and Behavioral Health of Children Left Behind

By Catalina Amuedo-Dorantes, José R. Bucheli, and Ana P. Martinez-Donate

AEA Papers and Proceedings, May 2022

Over four million US-born children living in households with at least one unauthorized immigrant parent are the unintended victims of intensified immigration enforcement. In an effort to address these disadvantages, many schools and school districts throu...