entrant? When there exists potential entry to the monopolist's existing business, the standard result that monopoly persists … (Gilbert and Newbery, 'Preemptive Patenting and the Persistence of Monopoly', American Economic Review, 72, pp. 514-526, 1982 …

mechanism of this coordination is valuable for economic thinking and economic theory. However, the implications of the perfect … distinguishable types. This contribution explains absolute market power (single-firm monopoly and dominance), collective market power … original economic theory of contestability defines very strict conditions for perfectly contestable markets, antitrust has …

-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 …