We study markets with two types of agents. Sellers have an indivisible good for sale, and their reservation value is zero. Buyers are randomly matched with sellers, and they value the good at unity. Sellers may be matched with any positive number of buyers, and they may choose to determine the price of the good either by bargaining or by posting prices. These choices are relevant only when a seller meets exactly one buyer. If two or more buyers are matched to a seller the buyers engage in an auction. The agents may choose whether to go to markets with bargaining or posted prices. We show that both market structures are equilibria but that they do not co-exist. Markets with posted prices are shown to be the unique evolutionary stable equilibrium.
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Paper provided by Tilburg University, Center for Economic Research in its series Discussion Paper with number
56.
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Find related papers by JEL classification: C78 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Bargaining Theory; Matching Theory D40 - Microeconomics - - Market Structure and Pricing - - - General D44 - Microeconomics - - Market Structure and Pricing - - - Auctions D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search, Learning, and Information
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