COLLUSION, FLUCTUATING DEMAND, AND PRICE RIGIDITY

Makoto Hanazono and Huanxing Yang ()

International Economic Review, 2007, vol. 48, issue 2, 483-515

Abstract: We study an infinitely repeated Bertrand game in which an i.i.d. demand shock occurs in each period. Each firm receives a private signal about the demand shock at the beginning of each period. At the end of each period, all information but the private signals becomes public. We consider the optimal symmetric perfect public equilibrium (SPPE) mainly for patient firms. We show that price rigidity arises in the optimal SPPE if the accuracy of the private signals is low. We also study the implications of more firms and firms' impatience on collusive pricing. Copyright 2007 by the Economics Department Of The University Of Pennsylvania And Osaka University Institute Of Social And Economic Research Association.

Date: 2007
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Working Paper: Collusion, Fluctuating Demand, and Price Rigidity (2004)
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