Recent evidence show that factor shares, if properly measured, are far from constant.Moreover, the shares of natural resources and raw labor seem to be negativelycorrelated with income per capita while the share of human and physical capital ispositively correlated with income per capita. Now,...

In order to present an estimation of the Internal Rate of Return (IRR) to higher education in Colombia we take advantage of the methodological approach provided by Heckman, Lochner and Todd (2005). Trying to overcome the criticism that surrounds interpretations of the education coefficient of...

May cartoons be considered as a viable and credible source for the study of economics? There is hardly any research on the subject, even though there is a quite significant amount of cartoons with economic content. This suggests that economics (and economists) have not paid enough attention and...

In this paper we analyze the spread of shocks across assets markets in eight Latin-American countries. First, we measure the extent of markets reactions with the Principal Components Analysis. And second, we investigate the volatility of assets markets based in ARCH-GARCH models in function of...

Un análisis a propósito de dos estudios sobre el impacto del TLC en los precios de los medicamentos en Colombia.

We study competition in two sided markets with common network externality rather than with the standard inter-group e¤ects. This type of externality occurs when both groups bene…t, possibly with di¤erent intensities, from an increase in the size of one group and from a decrease in the size of...

We asess evolution in perfomance, efficiency and productivity of Colombia's power distribution utilitiesbefore and after the 1994 regulatory reform that introduced electricity market activities for the power sector in 12 distribution companies from 1985 to 2001. Perfomance is evaluated...

In this paper, we attempt to analyze the determinants of unintended births among Colombian women aged 40 years old or more using data from the `Encuesta Nacional de Demografía y Salud ENDS- 2005, which is Colombia´s national demographic and health survey. Given the especial characteristics of...

This paper provides new evidence on the effect of pupil´s self-motivation andacademic assets allocation on the academic achievement in sciences acrosscountries. By using the Programme for International Student Assessment 2006 (PISA2006) test we find that both explanatory variables have a...

I develop a dynamic model of social conflict whereby manifest grievances of the poor generate the incentive of taking over political power violently. Rebellion can be an equilibrium outcome depending on the level of preexisting inequality between the poor and the ruling elite, the relative...