La red productiva representa un mecanismo económico clave para comprender cómo los choques microeconómicos se propagan en el sistema económico. En esta línea se han desarrollo diversos trabajos teóricos bajo el supuesto de libre competencia, sin considerar el poder de mercado ni la posible...

In this paper, we study the relationship between reconciliations in the Colombian electricity market and the bid prices by firms on the spot market. In this work,we propose a model of behavior of the firm to elaborate theoretical predictions about the relationship between the reconciliations and...

We analyze the credit channel effects on new residential property prices in Medellín, Colombia, using a simultaneous equations model. Our empirical results show that the main determinants of new residential properties prices are mortgage interest rates and the availability of government...

El análisis del mercado de factores no es un tema usual en los cursos convencionales demicroeconomía y cuando se aborda no se explican las motivaciones de las firmas al momento detomar su decisión de compra de insumos. En contraste, se presentan amplias discusiones dirigidasa interpretar...

En este artículo, primero caracterizamos el mercado de transporte aéreo comercial en Colombia y luego desarrollamos un modelo de reputación que describe la relación entre aerolíneas y consumidores. Con base en el trabajo pionero de Grossman y Hart (1986) modelamos la integración horizontal...

With the restructuring of the Spanish oil sector during the 1980s and early 1990s, a highly concentrated oligopoly emerged in the automotive fuels market. The restructuring ended up with the abolishment of the sate oil monopoly in January 1993. A system of price ceiling replaced administered...

Chronic renal insufficiency is one of the highest cost pathologies of greater financial impact for the general system of social security health care in Colombia. High-cost case concentration in some health entities made it necessary to distribute resources and patients to other entities in order...

We present a two-firm model of predation under complete information, based on different discount factors, and integrate it with a model of collusion. Competition, collusion and predation are seen as alternative strategies. The basic conclusions are that t

Este trabajo analiza los efectos y consecuencias potenciales de la desregulación del mercado chileno de generación eléctrica. Propone un modelo del sistema de generación que aplica la teoría de juegos no cooperativos en un contexto estático y dinámico. En Chile se han hecho estudios...

This work shows if firms use debt strategically in order to stop entry of potential rivals in their industry. Using Generalized Method of Moments estimation (GMM) we evaluate the effect of assets, market share and size as proxies for market revenue, and the entry barriers over indebtedness...