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Dynamic markets for lemons : performance, liquidity, and policy intervention

  • Diego Moreno

    ()

  • John Wooders

    ()

The inefficiency of competitive markets for lemons raises fundamental questions about market performance and the role of policy intervention. We study the performance of dynamic markets, and show that when the time horizon is finite decentralized markets perform better and high quality is more liquid than centralized ones. When frictions are small, decentralized markets become completely illiquid at all but the first and the last date. When the time horizon is infinite, decentralized markets yield the static competitive surplus, whereas centralized markets have separating equilibria that yield a greater surplus. Subsidizing low quality or taxing high quality tends to increase surplus in both decentralized and centralized markets.

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File URL: http://e-archivo.uc3m.es/bitstream/10016/15507/1/we1226.pdf
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Paper provided by Universidad Carlos III, Departamento de Economía in its series Economics Working Papers with number we1226.

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Date of creation: Sep 2012
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Handle: RePEc:cte:werepe:we1226
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  1. Camargo, Braz & Lester, Benjamin, 2014. "Trading dynamics in decentralized markets with adverse selection," Journal of Economic Theory, Elsevier, vol. 153(C), pages 534-568.
  2. Gale, Douglas, 1987. "Limit theorems for markets with sequential bargaining," Journal of Economic Theory, Elsevier, vol. 43(1), pages 20-54, October.
  3. Douglas Gale, 1996. "Equilibria and Pareto optima of markets with adverse selection (*)," Economic Theory, Springer, vol. 7(2), pages 207-235.
  4. Serrano, Roberto, 2002. "Decentralized information and the Walrasian outcome: a pairwise meetings market with private values," Journal of Mathematical Economics, Elsevier, vol. 38(1-2), pages 65-89, September.
  5. Stephen Morris & Hyun Song Shin, 2012. "Contagious Adverse Selection," American Economic Journal: Macroeconomics, American Economic Association, vol. 4(1), pages 1-21, January.
  6. Wolinsky, Asher, 1990. "Information Revelation in a Market with Pairwise Meetings," Econometrica, Econometric Society, vol. 58(1), pages 1-23, January.
  7. Binmore, Ken G & Herrero, M J, 1988. "Matching and Bargaining in Dynamic Markets," Review of Economic Studies, Wiley Blackwell, vol. 55(1), pages 17-31, January.
  8. Martin J. Osborne & Ariel Rubinstein, 2005. "Bargaining and Markets," Levine's Bibliography 666156000000000515, UCLA Department of Economics.
  9. Moreno, Diego & Wooders, John, 2002. "Prices, Delay, and the Dynamics of Trade," Journal of Economic Theory, Elsevier, vol. 104(2), pages 304-339, June.
  10. Max Blouin & Roberto Serrano, 1998. "A Decentralized Market with Common Values Uncertainty: Non-Steady States," Working Papers 98-5, Brown University, Department of Economics, revised 10 Aug 1998.
  11. Ennio Bilancini & Leonardo boncinelli, 2011. "Dynamic Adverse Selection and the Size of the Informed Side of the Market," Department of Economics 0650, University of Modena and Reggio E., Faculty of Economics "Marco Biagi".
  12. Maarten C. W. Janssen & Santanu Roy, 2002. "Dynamic Trading in a Durable Good Market with Asymmetric Information," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 43(1), pages 257-282, February.
  13. Rubinstein, Ariel & Wolinsky, Asher, 1985. "Equilibrium in a Market with Sequential Bargaining," Econometrica, Econometric Society, vol. 53(5), pages 1133-50, September.
  14. Akerlof, George A, 1970. "The Market for 'Lemons': Quality Uncertainty and the Market Mechanism," The Quarterly Journal of Economics, MIT Press, vol. 84(3), pages 488-500, August.
  15. Diego Moreno & John Wooders, 2010. "Decentralized Trade Mitigates The Lemons Problem," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 51(2), pages 383-399, 05.
  16. Asher Wolinsky & Stephan Lauermann, 2009. "Search with Adverse Selection," 2009 Meeting Papers 827, Society for Economic Dynamics.
  17. Max Blouin, 2001. "Equilibrium in a Decentralized Market with Adverse Selection," Cahiers de recherche CREFE / CREFE Working Papers 128, CREFE, Université du Québec à Montréal, revised Mar 2001.
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