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Markets with Multidimensional Private Information

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  • Veronica Guerrieri
  • Robert Shimer

Abstract

This paper explores price formation when sellers are privately informed about their preferences and the quality of their asset. There are many equilibria, including a semi-separating one in which each seller's price depends on a one-dimensional index of her preferences and asset quality. This multiplicity does not rely on off-the-equilibrium path beliefs and so is not amenable to standard signaling game refinements. The semi-separating equilibrium may not be Pareto efficient, even if it is not Pareto dominated by any other equilibrium. Instead, efficient allocations may require transfers across uninformed buyers, inconsistent with any equilibrium.

Suggested Citation

  • Veronica Guerrieri & Robert Shimer, 2018. "Markets with Multidimensional Private Information," American Economic Journal: Microeconomics, American Economic Association, vol. 10(2), pages 250-274, May.
  • Handle: RePEc:aea:aejmic:v:10:y:2018:i:2:p:250-74
    Note: DOI: 10.1257/mic.20160129
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    References listed on IDEAS

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    1. Veronica Guerrieri & Robert Shimer, 2014. "Dynamic Adverse Selection: A Theory of Illiquidity, Fire Sales, and Flight to Quality," American Economic Review, American Economic Association, vol. 104(7), pages 1875-1908, July.
    2. Douglas Gale, 1996. "Equilibria and Pareto optima of markets with adverse selection (*)," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 7(2), pages 207-235.
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    4. Briana Chang, 2012. "Adverse Selection and Liquidity Distortion in Decentralized Markets," 2012 Meeting Papers 403, Society for Economic Dynamics.
    5. Thorsten Koeppl & Jonathan Chiu, 2013. "Trading Dynamics With Adverse Selection and Search," 2013 Meeting Papers 201, Society for Economic Dynamics.
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    8. George A. Akerlof, 1970. "The Market for "Lemons": Quality Uncertainty and the Market Mechanism," The Quarterly Journal of Economics, Oxford University Press, vol. 84(3), pages 488-500.
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    Cited by:

    1. Ordoñez, Guillermo & Perez-Reyna, David & Yogo, Motohiro, 2019. "Leverage dynamics and credit quality," Journal of Economic Theory, Elsevier, vol. 183(C), pages 183-212.
    2. Wang, Zijian, 2020. "Liquidity and private information in asset markets: To signal or not to signal," Journal of Economic Theory, Elsevier, vol. 190(C).
    3. Miroslav Gabrovski & Ioannis Kospentaris, 2020. "Intermediation in Over-the-Counter Markets with Price Transparency," Working Papers 202017, University of Hawaii at Manoa, Department of Economics.
    4. Benjamin Lester & Guillaume Rocheteau & Pierre‐Olivier Weill, 2015. "Competing for Order Flow in OTC Markets," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 47(S2), pages 77-126, June.
    5. Wang, Zijian, 2019. "Trading Motives in Asset Markets," MPRA Paper 91401, University Library of Munich, Germany.
    6. Alex Edmans & William Mann, 2019. "Financing Through Asset Sales," Management Science, INFORMS, vol. 65(7), pages 3043-3060, July.
    7. Paulina Restrepo-Echavarria & Antonella Tutino & Anton Cheremukhin, 2013. "A Theory of Targeted Search," 2013 Meeting Papers 664, Society for Economic Dynamics.
    8. Zachary Bethune & Bruno Sultanum & Nicholas Trachter, 2019. "An Information-based Theory of Financial Intermediation," 2019 Meeting Papers 403, Society for Economic Dynamics.
    9. Zijian Wang, 2019. "Trading Motives in Asset Markets," UWO Department of Economics Working Papers 20191, University of Western Ontario, Department of Economics.
    10. Zhifeng Cai & Feng Dong, 2021. "A Model of Secular Migration from Centralized to Decentralized Trade," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 72(1), pages 201-244, July.
    11. Zhifeng Cai & Feng Dong, 0. "A Model of Secular Migration from Centralized to Decentralized Trade," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 0, pages 1-44.
    12. Daeyoung Jeong, 2019. "Job market signaling with imperfect competition among employers," International Journal of Game Theory, Springer;Game Theory Society, vol. 48(4), pages 1139-1167, December.

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    More about this item

    JEL classification:

    • D11 - Microeconomics - - Household Behavior - - - Consumer Economics: Theory
    • D52 - Microeconomics - - General Equilibrium and Disequilibrium - - - Incomplete Markets
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design

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