Sequeira, T. N., and A. Ferreira-Lopes. “Quantifying Distortions from Pollution in a R&D Endogenous Growth Model”. Estudios De Economía, vol. 41, no. 1, Nov. 2014, pp. pp. 149-159, https://estudiosdeeconomia.uchile.cl/index.php/EDE/article/view/34427.