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...

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 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...