Fig. 2.

Number of US EPA economic analyses by year. This figure displays the number of regulatory economic analyses performed each year by the EPA, including CBAs, cost effectiveness analyses, and other types of economic analysis. Total analyses are represented by the dashed gray line. Number of water pollution analyses are displayed as the bottom portion of the bar chart (solid blue). Number of air pollution analyses are displayed as the top portion of the bar chart (red dots). See SI Appendix for more details.