CNCC Research Seminar|Air Pollution and Diet Quality: Evidence from Household Scanner Data

10:00am - 11:30am
E1-201/Zoom ID: 851 2405 7772

This paper examines the causal effects of short-term ambient air pollution on diet quality, as measured by Healthy Eating Index-2015 (HEI-2015), using wildfire smoke exposure from 2010-2018 as a source of exogenous variation for air pollution. By linking nationwide satellite-based smoke plume data, ground-based pollutant measurements, and consumer scanner data for more than 120,000 U.S. households, we find no impacts of air pollution on overall diet quality or individual diet components. This suggests that air pollution levels might not be a substantial driver of household dietary choices. Our findings reveal a socioeconomic gradient in diet quality, with lower-income households, less-educated household heads, and counties with higher PM2.5 levels consistently exhibiting poorer diet quality. Moreover, we observe no evidence that the effects of air pollution vary across income, education, and county pollution levels.

Event Format
Speakers / Performers:
Dr. Linlin Fan
Pennsylvania State University

Dr. Linlin Fan is an Associate Professor in the Department of Agricultural Economics, Sociology and Education at Pennsylvania State University. She obtained her PhD in Agricultural Economics at University of Illinois at Urbana-Champaign in 2018. Her research interests are on the economics of food and health. Recent research projects include analyzing the efficacy of U.S. food assistance programs, the impact of time scarcity and nutritional knowledge on food choices, and the impact of COVID-19 on diet quality. Her work is published in top journals such as Proceedings of National Academy of Sciences, American Journal of Agricultural Economics and Food Policy.

Carbon Neutrality and Climate Change Thrust, HKUST(GZ)
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