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

The dynamics of oil prices in the past few years and their vertiginous rise observed during 2008 have captured the attention of academia and governments. This paper proposes an analysis of the petroleum market, making emphasis in the crude benchmarks WTI and Brent, the world reserves...

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...

Colombia adopted a health care system with regulated competition in the interaction of several markets: insurance, medical services, hospitalization and drugs. In this regulatory scheme, a collegiate body and two central dependencies of the executive branch intervene. Overall, the regulation...