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 …