Zhu, Z., Z. Bai, J. P. Vieito, and W.-K. Wong. “The Impact of the Global Financial Crisis on the Efficiency and Performance of Latin American Stock Markets”. Estudios De Economía, vol. 46, no. 1, Mar. 2019, pp. 5-30, https://estudiosdeeconomia.uchile.cl/index.php/EDE/article/view/52632.