The City-Level Effects of the 1990 Clean Air Act Amendments
Maximilian Auffhammer, António Bento, Scott Lowe
Land Economics, vol. 87, 2011, p. 1-18.

Measuring the Effects of the Clean Air Act Amendments on Ambient PM 10 Concentrations: The Critical Importance of a Spatially Disaggregated Analysis
Maximilian Auffhammer, António Bento, Scott Lowe
Journal Of Environmental Economics And Management, vol. 58, 2009, p. 15-26.