# The impact of ambient air pollution on hospital admissions

Massimo Filippini (), Giuliano Masiero () and Sandro Steinbach
Giuliano Masiero: Università della Svizzera Italiana (USI)

The European Journal of Health Economics, 2019, vol. 20, issue 6, No 11, 919-931

Abstract: Abstract Ambient air pollution is the environmental factor with the most significant impact on human health. Several epidemiological studies provide evidence for an association between ambient air pollution and human health. However, the recent economic literature has challenged the identification strategy used in these studies. This paper contributes to the ongoing discussion by investigating the association between ambient air pollution and morbidity using hospital admission data from Switzerland. Our identification strategy rests on the construction of geographically explicit pollution measures derived from a dispersion model that replicates atmospheric conditions and accounts for several emission sources. The reduced form estimates account for location and time fixed effects and show that ambient air pollution has a substantial impact on hospital admissions. In particular, we show that $${\text{SO}}_{2}$$ SO 2 and $${\text{NO}}_{2}$$ NO 2 are positively associated with admission rates for coronary artery and cerebrovascular diseases while we find no similar correlation for PM10 and $${\text{O}}_{3}$$ O 3 . Our robustness checks support these findings and suggest that dispersion models can help in reducing the measurement error inherent to pollution exposure measures based on station-level pollution data. Therefore, our results may contribute to a more accurate evaluation of future environmental policies aiming at a reduction of ambient air pollution exposure.

Keywords: Ambient air pollution; Dispersion model; Hospital admissions; Count panel data (search for similar items in EconPapers)
JEL-codes: I10 Q51 Q53 (search for similar items in EconPapers)
Date: 2019
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Working Paper: The Impact of Ambient Air Pollution on Hospital Admissions (2017)
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