telecommunications: a monopoly of the local telecommunications network, as well as a monopoly in retail local telecommunications services … competitors. Thus, Verizon used its monopoly of the network infrastructure to disadvantage entrants in retail. In doing so … makes sense only insofar as it helps the defendant maintain or obtain monopoly power.” …

monopoly because each duopolist has a smaller market size than the monopolist. But social welfare in the monopoly is lower than …

monopoly because each duopolist has a smaller market size than the monopolist. But social welfare in the monopoly is lower than …

price discrimination. However, if monopoly power is "short lived" (for example due to copying), we show that, depending on …

side” of the market) increases total industry surplus compared to the fully private optimum at which the monopoly platform …

intensity of preference for quality and their income, we study the optimal strategy of a natural monopoly : how many qualities … to produce ? Which qualities should be produced? What prices have to be set to maximize the monopoly profit? Considering … costless production, the monopoly optimal strategies are such that the consumers with the same income buy the same quality. The …