Why does an altruistically inclined player behave altruistically in some contexts and egoistically or spitefully in others? This article provides an economic explanation to this question. The basic argument is centered on the idea that social norms shape our preferences through a process of...

In 1979, the “Ley de Aviación 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...