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Clean Air Act Overview

Analytical Components of the Benefits and Costs of the Clean Air Act 1990-2020, the Second Prospective Study

The major analytical components of the Second Prospective Study are shown in Figure 1. For some components of the study, such as Scenario Development and Benefit-Cost Comparison, the full report of the Second Prospective Study provides full documentation of the methods and results. For other major components of the study, supporting technical reports are available which provide additional technical information.

Figure 1. major analytical components of the Second Prospective Study

Supporting technical reports which have been released as final documents are available for these components:

  • Emissions
  • Direct Cost
  • Air Quality Modeling
  • Health and Welfare Effects (including Economic Valuation)
  • Hazardous Air Pollutant Case Study
  • Uncertainty Analysis
  • Macroeconomic Modeling
Preliminary review drafts of these reports as well as some additional, minor supporting documents (such as proposed methodology white papers) were made public as part of the external expert review: