In this paper I consider the role of optimal education policies in redistribution when individuals differ in two aspects: ability and inherited wealth. I discuss the extent to which the rules that emerge in unidimensional settings apply also in the bidimensional setting considered in this paper....

We consider a model of factor saving innovations and study the effects of exogenous changes in labor supply. In a biased innovations setting, as economies accumulate capital, labor becomes relatively scarce and expensive. As a consequence, incentives for labor saving and capital using...

We propose a one-good model where technological change is factor saving andcostly. We consider a production function with two reproducible factors: physical capital and human capital, and one not reproducible factor. The main predictions of the model are the following: (a) The elasticity of...

We present an endogenous growth model where innovation are factor saving. Tecnologies can be changed paying a cost so, tecnological change take place only if the benefits are larger than the cost. Since the gains derived from factor saving innovations depend on factor abundance, biased...

We study the effect of learning another language on the social and individual welfare by a people group who do not know that language. We use network economics approach in order to take into account the externalities of languages. The equilibrium with decentralized choices is not as good as the...

Access to mobile telephony in Colombia exhibits rather interesting features compared to other countries. Colombia witnessed the beginning of a new alternative for communication consisting in the use of informal resale of minutes on the streets and small stores during the first years of this...

Este documento busca dar respuestas a los interrogantes que surgen una década después dedefinida la Ley 388 de Ordenamiento Territorial y el desarrollo de los programas de vivienda deinterés social a nivel de las entidades territoriales. En Colombia, el proceso de descentralizaciónha sido...

Se estima la tasa de retorno de la educación en Bogotá para 1997 y 2003 por medio de la metodología de Heckman. Se encuentra que los retornos de la educación y de la experiencia potencial son menores en 2003. El ingreso laboral promedio también...

El presente documento hace una revisión de la literatura reciente (últimos 15 años) que vincula la acción colectiva con las políticas públicas. En particular se observan dos tendencias, de un lado, la defensa a la lógica de la acción colectiva señalando el tipo de incentivos que se...

In this chapter we provide a summary description of Colombian Competition Policy with an emphasis on the agricultural sector. Key developments and recent changes in institutional arrangements affecting competition policy, as it applies to the agricultural sector, are highlighted. Illustrative...