Valdez, Rolando I., and Francisco García-Fernández. “The Distribution of Wage Inequality across Municipalities in Mexico: A Spatial Quantile Regres-Sion Approach”. Equilibrium. Quarterly Journal of Economics and Economic Policy 17, no. 3 (September 30, 2022): 669–697. Accessed December 4, 2022. http://economic-research.pl/Journals/index.php/eq/article/view/2078.