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α: calibrated so average coauthorship-adjusted count equals average raw count
Abstract This paper investigates externalities generated by air transportation pollution on health. As a source of exogenous variation, we use an unannounced 5-month trial that reallocated early morning aircraft landings at London Heathrow Airport. Our measure of health is prescribed medications spending on conditions known to be aggravated by pollution, especially sleep disturbances. We observe a significant and substantial decrease in prescribed drugs for respiratory and central nervous system disorders in the areas subjected to reduced air travel between 4:30 am and 6.00 am compared with the control regions. Our findings suggest a causal influence of aviation on health conditions.