En este artículo se estudia la privatización de un grupo de bancos públicos provinciales en Argentina en 1993-2001. En contraste con la mayoría de los estudios previos sobre privatizaciones que analizaron principalmente sus efectos sobre la eficiencia económica, este estudio se enfoca en...

Este trabajo es acerca de un modelo de competencia en precios en el mercado de un producto homogéneo con libre entrada de empresas idénticas y rendimientos variables a escala. Si el número óptimo de empresas activas en el mercado es dos o más, el equilibrio de Bertrand existe siempre para...

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...

This paper develops an oligopoly model with firms that may potentially be public or private, and solves it for different cases in which the number and ownership of those firms vary. The results are then compared in terms of total surplus and consumer surplus, and this comparison produces...

One of the most important economic strategic sectors in any economy is the electricity market. Its main feature is its oligopolistic character favoured by the returns to scale which act as an entry barrier. As a result, the energy generators can use their power market in order to increase their...

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...

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...

Este trabajo desarrolla un modelo de equilibrio de un mercado con diferenciación horizontal de productos en el cual las empresas fijan los precios de las variedades que proveen y, en ciertos casos, alguna de ellas actúa como líder de precios. Dados esos elementos, el trabajo explora qué...

We analyze the behavior of electricity generation groups that make investment and production decisions in a liberalized market scenario by introducing long-term contracts, in a context where there is a high level of market concentration. In this way, a dynamic deterministic model of imperfect...

The objective of this contribution is to evaluate the weekly price dynamics of the biscuit sector in the framework of an economy with moderate inflation, such as Argentina. Using weekly frequency data, five versions of the function that relate cookie price weekly variations with their possible...