"The United States Government recently concluded a year-long process to develop a range of values representing the monetized damages associated with an incremental increase in carbon dioxide (CO2) emissions, commonly referred to as the social cost of carbon (SCC). These values are currently used...

The demand for air quality depends on health impacts and defensive investments that improvehealth, but little research assesses the empirical importance of defenses. We study the NOxBudget Program (NBP), an important cap-and-trade market for nitrogen oxides (NOx) emissions,a key ingredient in...