In this paper, we characterize and study the efficiency of a representative set of firms in the leather and footwear sector in Bogotá, Bucaramanga, Cúcuta and the Metropolitan Area of Medellin. This study is based on a survey addressing multiple aspects of production in this industry (inputs,...

In this paper we study the effect of family and school background on students' academic performance, who attended public schools in Medellín. Two approaches are implemented in this work. Firstly, we investigate the effect of covariates on different segments of scores' distribution by quantile...

The present article analyses the evolution of the concentration of the Colombian electrical generation market based on the technological diversification indexes and H-H and C-4 concentration indexes, during the period 1995-2004. Concentration herein is an enterprise behavior which, from the...

This paper analyses the selection of teachers in basic and media education in Colombia under an adverse selection model. We monitor the teacher´s wages and the institutional change, and the results of one of the contests for Medellin. The relative wages of attachment to the teaching profession...

Este trabajo presenta una investigación teórica sobre los mecanismos de mercado que permiten asignar los recursos eficientemente y alcanzar la confiabilidad óptima en mercados sujetos a utilidades como es el de generación de electricidad. En particular, se destaca la necesidad de proveer...