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Dynamic Markets for Lemons: Performance, Liquidity, and Policy Intervention

Even though adverse selection pervades markets for real goods and financial assets, equilibrium in such markets is not well understood. What are the properties of equilibrium in dynamic markets for lemons? What determines the liquidity of a good? Which market structures perform better, decentralized ones, in which trade is bilateral and prices are negotiated, or centralized ones, in which trade is multilateral and agents are price-takers? Is there a role for government intervention? We show that when the horizon is finite and frictions are small, decentralized markets are more liquid and perform better than centralized markets. Moreover, the surplus realized is above the static competitive surplus, and decreases as the horizon grows larger, approaching the static competitive surplus as the horizon becomes infinite even if frictions are non-negligible. Subsidies on low quality or taxes on high quality raise surplus.

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Paper provided by Economics Discipline Group, UTS Business School, University of Technology, Sydney in its series Working Paper Series with number 5.

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Length: 54
Date of creation: 01 Mar 2013
Date of revision:
Handle: RePEc:uts:ecowps:5
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  1. Moreno, Diego & Wooders, John, 2002. "Prices, Delay, and the Dynamics of Trade," Journal of Economic Theory, Elsevier, vol. 104(2), pages 304-339, June.
  2. Ben Lester & Braz Camargo, 2011. "Trading Dynamics in Decentralized Markets with Adverse Selection," 2011 Meeting Papers 1300, Society for Economic Dynamics.
  3. Diego Moreno & John Wooders, 2007. "Decentralized trade mitigates the lemons problem," Economics Working Papers we071204, Universidad Carlos III, Departamento de Economía.
  4. Douglas Gale, 2010. "Limit theorems for markets with sequential bargaining," Levine's Working Paper Archive 621, David K. Levine.
  5. Wolinsky, Asher, 1990. "Information Revelation in a Market with Pairwise Meetings," Econometrica, Econometric Society, vol. 58(1), pages 1-23, January.
  6. Douglas Gale, 1996. "Equilibria and Pareto optima of markets with adverse selection (*)," Economic Theory, Springer, vol. 7(2), pages 207-235.
  7. Ennio Bilancini & Leonardo Boncinelli, 2011. "Dynamic Adverse Selection and the Size of the Informed Side of the Market," Center for Economic Research (RECent) 057, University of Modena and Reggio E., Dept. of Economics "Marco Biagi".
  8. Blouin, Max R & Serrano, Roberto, 2001. "A Decentralized Market with Common Values Uncertainty: Non-Steady States," Review of Economic Studies, Wiley Blackwell, vol. 68(2), pages 323-46, April.
  9. 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.
  10. Stephen Morris & Hyun Song Shin, 2012. "Contagious Adverse Selection," American Economic Journal: Macroeconomics, American Economic Association, vol. 4(1), pages 1-21, January.
  11. 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.
  12. Rubinstein, Ariel & Wolinsky, Asher, 1985. "Equilibrium in a Market with Sequential Bargaining," Econometrica, Econometric Society, vol. 53(5), pages 1133-50, September.
  13. Martin J. Osborne & Ariel Rubinstein, 2005. "Bargaining and Markets," Levine's Bibliography 666156000000000515, UCLA Department of Economics.
  14. 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.
  15. 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.
  16. 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.
  17. Asher Wolinsky & Stephan Lauermann, 2009. "Search with Adverse Selection," 2009 Meeting Papers 827, Society for Economic Dynamics.
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