The objective of this article is to investigate the impact of research and development (R&D) spillovers on cartelization of industries characterized by differentiated products. For simplicity, we focus on the duopoly market in which firms compete according to the Stackelberg leadership model....

An environmental agreement in an oligopolistic market may violate the competition rules, as described in Articles 81 and 82 of the Treaty. Ordinarily, some collusion among firms is necessary for an environmental agreement to be successful. This collusion may be acceptable when it relates to the...