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Caution, Drivers! Children Present: Traffic, Pollution, and Infant Health

Christopher Knittel (), Douglas Miller and Nicholas Sanders

Working Papers from Massachusetts Institute of Technology, Center for Energy and Environmental Policy Research

Abstract: Since the Clean Air Act Amendments of 1990 (CAAA), atmospheric concentration of local pollutants has fallen drastically. A natural question is whether further reductions will yield additional health benefits. We further this research by addressing two related research questions: (1) what is the impact of automobile driving (and especially congestion) on ambient air pollution levels, and (2) what is the impact of modern air pollution levels on infant health? Our setting is California (with a focus on the Central Valley and Southern California) in the years 2002-2007. Using an instrumental variables approach that exploits the relationship between traffic, ambient weather conditions, and various pollutants, our findings suggest that ambient pollution levels, specifically particulate matter, still have large impacts on weekly infant mortality rates. Our results also illustrate the importance of weather controls in measuring pollution’s impact on infant mortality.

Date: 2011-07
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Journal Article: Caution, Drivers! Children Present: Traffic, Pollution, and Infant Health (2016) Downloads
Working Paper: Caution, Drivers! Children Present: Traffic, Pollution, and Infant Health (2011) Downloads
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