-shape in the success probability. Since even at the peak entry is rather unlikely, the persistence of the monopoly is high …. -- Persistence of Monopoly ; Efficiency Effect ; Replacement Effect ; Stochastic Innovations …

complement is a duopoly, whereas the other is a monopoly. In such framework, when products are highly di¤erentiated, the low …

monopoly position in one market via tying even when it does not have market power in another market. This is shown on a model …

monopoly that sells access to independent downstream firms. Our results reconciliate a set of seemingly contradictory findings … of the literature. We show that unless the monopoly's subsidiary is implausible more efficient than the independent firms … subsidiary's size and the intensity of economies of scope but if the monopoly optimally excludes rivals then intensity of …

that naked exclusion is, in theory, a potentially viable threat to efficient competition. Also striking from an antitrust … perspective, however, is the lack of fit between this theory and the cases in which the United States Supreme Court has forged the …, clearly violate the assumptions of the naked exclusion theory, as we explain in Rasmusen, Ramseyer and Wiley (1998). Two …