Figueroa, Eugenio, Luis Firinguetti, and Jorge Rogat. “An Estimation of the Economic Value of an Air Quality Improvement Program in Santiago, Chile”. Estudios de Economía 23, no. 3 (May 10, 2016): pp. 99–114. Accessed April 27, 2024. https://estudiosdeeconomia.uchile.cl/index.php/EDE/article/view/41004.