consequences, showing how an incumbent may create a patent portfolio in order to control market entry and to collude. The incumbent … fixes the level of patent protection and the threat of denunciation reduces the entrant’s expected profits; moreover, if the … entrant deviates from collusion, the incumbent can strengthen punishment suing the competitor for patent infringement …

consequences, showing how an incumbent may create a patent portfolio in order to control market entry and to collude. The incumbent … fixes the level of patent protection and the threat of denunciation reduces the entrant's expected profits; moreover, if the … entrant deviates from collusion, the incumbent can strengthen punishment suing the competitor for patent infringement …

This paper examines the behaviour of two firms competing in a duopoly, where firms can influence demand through use of …. The results show that there exist threshold levels of advertising effectiveness at which duopoly behaviour bifurcates …

applying social equilibrium. In an example of a duopoly water market, we argue that the lack of backward induction logic … social equilibrium in duopoly water markets with an upstream-downstream river structure and derive it in the example of a … duopoly market. …