This paper presents a game where the incumbent firm uses the price as a signal about demand size. Without observing the demand, the regulator has to decide if the entry of new firms will be allowed. The game has a pooling Perfect Bayesian Equilibrium in which the incumbent firm chooses the optimal price corresponding to low demand. With this strategy entry is deterred. With linear demand the pooling equilibrium is more likely to occur if the regulator expects a weaker form of competition. Besides, if there are two incumbent firms they have incentive to tacitly cooperate in order to deter entry.
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Paper provided by Universidade do Porto, Faculdade de Economia do Porto in its series CETE Discussion Papers with number
0304.
Find related papers by JEL classification: C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets L51 - Industrial Organization - - Regulation and Industrial Policy - - - Economics of Regulation
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