Castro Lugo, David. “Wage Curve: An Application for the Case of Mexico, 1993-2002”. Estudios Económicos de El Colegio de México 21, no. 2 (July 1, 2006): 233–273. Accessed April 29, 2025. https://estudioseconomicos.colmex.mx/index.php/economicos/article/view/152.