NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Impacts of Being Downwind of a Coal-Fired Power Plant on Infant Health at Birth: Evidence from the Precedent-Setting Portland Rule

Muzhe Yang, Shin-Yi Chou

NBER Working Paper No. 21723
Issued in November 2015
NBER Program(s):Health Economics

We conduct the first study on the impacts of prenatal exposure to a uniquely identified large polluter, a coal-fired power plant located near the border of two states, on the birth outcomes of the downwind state. For mothers who live as far as 20 to 40 miles away but downwind of the power plant, being exposed to power plant emissions, in particular sulfur dioxide, during the first month of pregnancy could increase the likelihood of having full-term babies but with low birth weight, an indicator of slow fetal growth, by as much as 42 percent. This adverse impact could be driven by reactive sulfur species-induced intrauterine oxidative stress, arising from maternal exposure to emissions of sulfur dioxide, whose travelling from the emission source to the downwind region has been confirmed in the Portland Rule. In light of EPA’s continual efforts in regulating power plant emissions, our study is aimed at broadening the scope of cross-border pollution analysis by taking into account adverse infant heath impacts from upwind polluters, which can burden the downwind states disproportionately.

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Machine-readable bibliographic record - MARC, RIS, BibTeX

Document Object Identifier (DOI): 10.3386/w21723

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