Imperfect Competition and Efficiency in Lemons Markets
This paper studies the impact of competition on the degree of inefficiency in lemons markets. More precisely, we characterize the second-best mechanism (i.e., the optimal mechanism with private information) in a stylized lemons market with finite numbers of buyers and sellers. We then study the relationship between the degree of efficiency of the second-best mechanism and market competitiveness. The relationship between the first-best and second best mechanisms is also explored.
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Volume (Year): 121 (2011)
Issue (Month): 552 (05)
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- Thomas A. Gresik & Mark A. Satterthwaite, 1985.
"The Rate At Which a Simple Market Becomes Efficient as the Number of Traders Increases: An Asymptotic Result for Optimal Trading Mechanisms,"
708, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
- Thomas A. Gresik & Mark A. Satterthwaite, 1985. "The Rate at Which a Simple Market Becomes Efficient as the Number of Traders Increases: An Asymptotic Result for Optimal Trading Mechanisms," Discussion Papers 641, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
- 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.
- Gul, Faruk & Postlewaite, Andrew, 1992. "Asymptotic Efficiency in Large Exchange Economies with Asymmetric Information," Econometrica, Econometric Society, vol. 60(6), pages 1273-92, November.
- Evans, Robert, 1989. "Sequential Bargaining with Correlated Values," Review of Economic Studies, Wiley Blackwell, vol. 56(4), pages 499-510, October.
- Maarten C. W. Janssen & José Luis Moraga-González, 2004. "Strategic Pricing, Consumer Search and the Number of Firms," Review of Economic Studies, Wiley Blackwell, vol. 71(4), pages 1089-1118, October.
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