Migration and hedonic valuation: The case of air quality
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Conventional hedonic techniques for estimating the value of local amenities rely on the assumption that households move freely among locations. We show that when moving is costly, the variation in housing prices and wages across locations may no longer reflect the value of differences in local amenities. We develop an alternative discrete-choice approach that models the household location decision directly, and we apply it to the case of air quality in US metro areas in 1990 and 2000. Because air pollution is likely to be correlated with unobservable local characteristics such as economic activity, we instrument for air quality using the contribution of distant sources to local pollution-excluding emissions from local sources, which are most likely to be correlated with local conditions. Our model yields an estimated elasticity of willingness to pay with respect to air quality of 0.34-0.42. These estimates imply that the median household would pay $149-$185 (in constant 1982-1984 dollars) for a one-unit reduction in average ambient concentrations of particulate matter. These estimates are three times greater than the marginal willingness to pay estimated by a conventional hedonic model using the same data. Our results are robust to a range of covariates, instrumenting strategies, and functional form assumptions. The findings also confirm the importance of instrumenting for local air pollution. © 2009 Elsevier Inc. All rights reserved.
Published Version (Please cite this version)10.1016/j.jeem.2008.08.004
Publication InfoBayer, Patrick; Keohane, N; & Timmins, Christopher D (2009). Migration and hedonic valuation: The case of air quality. Journal of Environmental Economics and Management, 58(1). pp. 1-14. 10.1016/j.jeem.2008.08.004. Retrieved from https://hdl.handle.net/10161/2025.
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Gilhuly Family Professor in Economics
Bayer's research focuses on wide range of subjects including racial inequality and segregation, social interactions, housing markets, education, and crime. He has received numerous grants from the National Science Foundation, Social Science and Humanities Council of Canada, and the US Department of Education. His most recent work has been published in the Quarterly Journal of Economics, the Journal of Political Economy, the Journal of Environmental Economics, and American Economics Association
Professor of Economics
Christopher D. Timmins is a Professor in the Department of Economics at Duke University, with a secondary appointment in Duke’s Nicholas School of the Environment. He holds a BSFS degree from Georgetown University and a PhD in Economics from Stanford University. Professor Timmins was an Assistant Professor in the Yale Department of Economics before joining the faculty at Duke in 2004. His professional activities include teaching, research, and editorial responsibilities. Professor Timmi
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