This paper develops a model of the regulator-regulated firm relationship in a regional natural gas commodity market which can be linked to a competitive market by a pipeline. We characterize normative policies under which the regulator, in addition to setting the level of the capacity of the...

This paper analyzes some optimal fiscal, pricing, and capacity investment policies for controlling regional monopoly power in the natural gas industry. By letting the set of control instruments available to the social planner vary, we provide a characterization of the technological and demand...

This paper develops a structural model which allows estimating the impact of regulatory decisions looking for the setting of download-speed standards on market structure and performance. We characterize a setting under which quality standards improve both service quality and availability. As to...

El presente documento analiza un modelo macroeconométrico de corto plazo para la economía colombiana, con el fin de evaluar el impacto de procesos de ajuste y estabilización. Se basa en una estructura que reconoce no neutralidades por rigideces de precios y descompone la economía a través...

This paper develops a simple model in which a regulated (upstream) transporter provides capacity to a marketer competing in output with an incumbent in the (downstream) gas commodity market. The equilibrium outcome of the firms' interaction in the downstream market is explicitly taken into...

This document analyses the effects of regulation and competition policy on the structure of the gas market. The natural monopoly features of transportation, added to the physical and technological features of gas as a commodity, allow this activity to be the focus of interesting regulatory...

We analyze the determinants of subjective returns of higher education in Colombia. The information on expectations has been collected in categories, motivating the use of interval regression and an ordered probit approaches for modeling the relationship between beliefs and measures of ability,...

This paper presents evidence of the effect of the recent phases of the business cycle in Spain and United States, proxied by their respective unemployment rates, on the labor market of Colombian cities with high migration tradition. These countries are the main destination for labor Colombian...

El diseño del sistema de seguridad social en salud y su efectiva implementación es uno de los mas grandes retos de la sociedad, y a su vez es la principal garantía del goce efectivo del derecho a la salud. Un gran desafío de estos sistemas es la administración del riesgo financiero...