Option valuation models are usually based on frictionless markets. This paper extends and complements the literature by developing a model of option pricing in which the derivative and/or the underlying asset have an oligopolistic market structure, which produces an expected return on these...

In 1979, the "Ley de Aviaciýn Comercial" (Commercial Aviation Act) was passed in Chile. Its main goal was to improve the air transport by means of "Open Sky Policies", competence (freedom of prices) and a progressive lesser intervention of the official authority. Since then an international air...