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UID:20251020T093830EDT-9296wv4m4m@132.216.98.100
DTSTAMP:20251020T133830Z
DESCRIPTION:David Molitor (University of Illinois at Urbana-Champaign)\n	Hos
 t: Laura Lasio\n	Field: Health Economics\n\nhttp://www.davidmolitor.com\n\n
 Date: March 26\, 2021\n\n“Nonlinear Health Effects of Air Pollution: Evide
 nce from Wildfire Smoke”\n\nAbstract: \n	Many countries regulate air pollut
 ion to reduce harm to human health. The health effects of marginal polluti
 on reductions matter greatly for determining optimal environmental policy\
 , especially for developed countries where pollution levels are relatively
  low and further reductions may be very costly. We study the dose-response
  relationship between exposure to fine particulate matter (PM2.5) and mort
 ality caused by exposure to wildfire smoke plumes of varying intensity. Us
 ing a novel satellite-based dataset of daily smoke plume coverage for the 
 entire U.S. from 2007 to 2017\, we find that drifting wildfire smoke gener
 ates frequent and significant variation in ground-level fine particulate m
 atter in places far from the wildfires. We link this variation to 100% Med
 icare administrative data to provide the first nationwide evaluation of th
 e mortality cost of wildfire smoke exposure among the U.S. elderly. We hav
 e three main findings. First\, wildfire smoke accounts for over 20% of ave
 rage PM2.5 concentrations in the US. Second\, wildfire smoke exposure sign
 ificantly increases 3-day mortality for the elderly. Third\, we find that 
 the dose-response relationship between PM2.5 and mortality caused by wildf
 ire smoke is supralinear: large air pollution shocks have proportionally s
 maller mortality effects than smaller air pollution shocks. Methodological
 ly\, our study shows how different studies could find different estimated 
 effects even for the same pollutant if they are examining pollution variat
 ion of different magnitudes. From a policy perspective\, our results point
  to large benefits of additional air quality improvements in the US.\n
DTSTART:20210326T193000Z
DTEND:20210326T210000Z
SUMMARY:David Molitor (UIUC)\, “Nonlinear Health Effects of Air Pollution: 
 Evidence from Wildfire Smoke” 
URL:/economics/channels/event/david-molitor-uiuc-nonli
 near-health-effects-air-pollution-evidence-wildfire-smoke-325667
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