The Healthcare Costs of Air Pollution in France

Julia Mink ()

CRC TR 224 Discussion Paper Series from University of Bonn and University of Mannheim, Germany

Abstract: I estimate the causal impact of short-term exposure to nitrogen dioxide (NO2), ground-level ozone (O3), and particulate matter (PM) on healthcare costs in France. I construct a large-scale dataset by linking administrative healthcare expenditures for a nationally representative sample with high-resolution air pollution and meteorological data. To address endogeneity concerns related to economic activity, I implement an instrumental variable (IV) strategy that exploits weekly variations in altitude atmospheric conditions—such as thermal inversions, wind speed, and the height of the planetary boundary layer—that predict local pollutant concentrations yet are unlikely to affect healthcare utilization except through pollution. My findings reveal that air pollution, even at concentrations below current European air quality standards, imposes annual healthcare costs that exceed earlier estimates by a factor of ten. Heterogeneity analyses show that pollution affects multiple medical specialties, including cardiology, pulmonology, and ophthalmology, while placebo specialties, such as trauma surgery, exhibit no significant effects. Contrary to prior work focusing on children and the elderly, I find that adverse health outcomes extend across all age groups, demonstrating broader population vulnerability. Moreover, marginal effects prove larger at lower pollution levels, implying a concave doseresponse function that underscores the potential for substantial cost savings from even modest pollution abatement in relatively clean areas. These results suggest that earlier cost-benefit analyses likely undervalue the societal gains from stricter environmental regulation.

Keywords: Air pollution; healthcare cost; instrumental variables (search for similar items in EconPapers)
JEL-codes: I12 Q51 Q53 (search for similar items in EconPapers)
Pages: 77
Date: 2025-02
New Economics Papers: this item is included in nep-ene, nep-eur and nep-hea
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