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Título : Countervailing Power? Collusion in Markets with Decentralized Trade
Autor : Burani, Nadia; Ponsatí, Clara
Palabras clave : Decentralized Trade
Pairwise bargaining
Bilateral cartel fornation
Cartel stability
Countervailing power
Fecha de publicación : 30-sep-2002
Serie : UFAE and IAE Working Papers
540.02
Resumen: We consider the collective incentives of buyers and sellers to form cartels in markets where trade is realized through decentralized pairwise bargaining. Cartels are coalitions of buyers or sellers that limit market participation and compensate inactive members for abstaining from trade. In a stable market outcome, cartels set Nash equilibrium quantities and cartel memberships are immune to defections. We prove that the set of stable market outcomes is non-empty and we provide its full characterization. Stable market outcomes are of two types: (i) at least one cartel actively restrains trade and the levels of market participation are balanced, or (ii) only one cartel, eventually the cartel that forms on the long side of the market, is active and it reduces trade slightly below the opponent's.
Descripción : Trabajo publicado como artículo en Review of Economic Design 15(2):91-120(2009).-- http://dx.doi.org/10.1007/s10058-009-0093-8
URI : http://hdl.handle.net/10261/1873
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