Figueroa, E., Gómez-Lobo, A., Jorquera, P., & Labrín, F. (2013). Estimating the impacts of a public transit reform on particulate matter concentration levels: the case of Transantiago in Chile. Estudios De Economía, 40(1), pp. 53–79. Retrieved from https://estudiosdeeconomia.uchile.cl/index.php/EDE/article/view/28347