Congestion Pricing, Air Pollution, and Urban Health (11 page pdf, Emilia Simeonova, Janet Currie, Peter Nilsson and Reed Walker, American Economics Association Meeting, Chicago, Jan. 2017)
Also discussed here: Driving Fee Rolls Back Asthma Attacks in Stockholm (Nala Rogers, Inside Science. Feb. 2, 2017)
Today we review research on the impact of the introduction of congestion pricing in Stockholm, in 2006, and the reduction of traffic that followed on the health of children in that city. Pollution levels in that city are lower than EPA’s standards. Results indicate that the pricing system caused a drop in traffic volumes by 25%, reductions in NO2 and particulate (PM10) pollution of 5 and 10% and a reduction in asthma cases by 12% in the first seven months which increased to 45% over the longer term (several years). While the benefits in other cities with fewer diesel vehicles (emitting PM) may not be as great, it is clear that there are benefits even when the air quality in a given city (such as Ottawa) is considered “good” and that there are negative health impacts that begin at lower thresholds than EPA standards project.
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