28%. Further, fracking decreased local air pollution by an average of 4%. We show that benefits vary geographically; air … pollution levels decreased by 35% in the most affected region. Back of the envelope calculations imply accumulated health …

Influenza and air pollution each pose significant public health risks with large global economic consequences. The … externalities. Using instrumental variables based on changing wind directions, we show increased levels of contemporaneous pollution … of pollution control and vaccination campaigns jointly provide greater returns than those implied by addressing either in …