Assessing the Impact of National Air Quality Standards on Agricultural Land Values: Insights from Corn and Soybean Regions
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2024
- handle: 10670/1.z04xdx
- hal: hal-04503777
info:eu-repo/semantics/OpenAccess
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Air Quality Standards Agricultural Land Values Difference- in-Differences Quantile RegressionCiter ce document
Cécile Couharde et al., « Assessing the Impact of National Air Quality Standards on Agricultural Land Values: Insights from Corn and Soybean Regions », HAL-SHS : économie et finance, ID : 10670/1.z04xdx
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We examine the impact of the National Ambient Air Quality Stan-dards, as defined by the Clean Air Act, on agricultural land valueswithin the corn and soybean regions of the United States. To achievethis objective, agricultural census data on farmland values are com-bined with pollution exposure metrics as defined by the Environmen-tal Protection Agency. Using a difference-in-differences approach andconducting various robustness checks, we find that compliance with airquality standards has a statistically significant negative effect on agri-cultural land values at the county level. Moreover, evidence from quan-tile regression analysis suggests that counties in the lower quantiles failto translate the economic and environmental benefits of pollution re-duction into increased farmland values, unlike their counterparts withthe highest-valued lands.