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Incomplete Markets, Allocative Efficiency, and the Information Revealed by Prices

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  • Citanna, Alessandro
  • Villanacci, Antonio

Abstract

In this paper we compare rational expectations equilibria with different degrees of information revelation through prices. These equilibria arise in a two-period exchange economy with finitely many states and signals, multiple commodities and incomplete f
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  • Citanna, Alessandro & Villanacci, Antonio, 2000. "Incomplete Markets, Allocative Efficiency, and the Information Revealed by Prices," Journal of Economic Theory, Elsevier, vol. 90(2), pages 222-253, February.
  • Handle: RePEc:eee:jetheo:v:90:y:2000:i:2:p:222-253
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    1. Dubey, Pradeep & Geanakoplos, John & Shubik, Martin, 1987. "The revelation of information in strategic market games : A critique of rational expectations equilibrium," Journal of Mathematical Economics, Elsevier, vol. 16(2), pages 105-137, April.
    2. Jordan, J. S., 1982. "The generic existence of rational expectations equilibrium in the higher dimensional case," Journal of Economic Theory, Elsevier, vol. 26(2), pages 224-243, April.
    3. Polemarchakis, H M & Siconolfi, P, 1993. "Asset Markets and the Information Revealed by Prices," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 3(4), pages 645-661, October.
    4. Radner, Roy, 1979. "Rational Expectations Equilibrium: Generic Existence and the Information Revealed by Prices," Econometrica, Econometric Society, vol. 47(3), pages 655-678, May.
    5. Atsushi Kajii & Antonio Villanacci & Alessandro Citanna, 1998. "Constrained suboptimality in incomplete markets: a general approach and two applications," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 11(3), pages 495-521.
    6. Roy Radner, 1997. "Rational Expectations Equilibrium: Generic Existence and the Information Revealed by Prices," Levine's Working Paper Archive 1594, David K. Levine.
    7. Hirshleifer, Jack, 1971. "The Private and Social Value of Information and the Reward to Inventive Activity," American Economic Review, American Economic Association, vol. 61(4), pages 561-574, September.
    8. Magill, M. & Quinzii, M., 1992. "Real effects of money in general equilibrium," Journal of Mathematical Economics, Elsevier, vol. 21(4), pages 301-342.
    9. Hart, Oliver D., 1975. "On the optimality of equilibrium when the market structure is incomplete," Journal of Economic Theory, Elsevier, vol. 11(3), pages 418-443, December.
    10. David Cass & Alessandro Citanna, 1998. "Pareto improving financial innovation in incomplete markets," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 11(3), pages 467-494.
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    Cited by:

    1. Andolfatto, David & Berentsen, Aleksander & Waller, Christopher, 2014. "Optimal disclosure policy and undue diligence," Journal of Economic Theory, Elsevier, vol. 149(C), pages 128-152.
    2. Piero Gottardi & Rohit Rahi, 2014. "Value Of Information In Competitive Economies With Incomplete Markets," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 55, pages 57-81, February.
    3. Banerjee, Anurag N. & Seccia, Giulio, 2002. "On the "Hirshleifer effect'' of unscheduled monetary policy announcements," Discussion Paper Series In Economics And Econometrics 213, Economics Division, School of Social Sciences, University of Southampton.
    4. Udo Broll & Bernhard Eckwert & Kit Pong Wong, 2014. "Transparency and Risk Sharing in International Trade," Manchester School, University of Manchester, vol. 82(6), pages 716-731, December.
    5. David Andolfatto & Fernando Martin, 2013. "Information Disclosure and Exchange Media," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 16(3), pages 527-539, July.
    6. Broll, Udo & Eckwert, Bernhard & Eickhoff, Andreas, 2012. "Financial intermediation and endogenous risk in the banking sector," Economic Modelling, Elsevier, vol. 29(5), pages 1618-1622.
    7. Bernhard Eckwert & Burkhard Drees, "undated". "Implications of Better Information for Technological Development and Welfare," EcoMod2006 272100022, EcoMod.
    8. Drees, Burkhard & Eckwert, Bernhard, 2010. "Implications of more precise information for technological development and economic welfare," Journal of Economic Dynamics and Control, Elsevier, vol. 34(2), pages 266-279, February.
    9. Krebs, Tom, 2005. "Fundamentals, information, and international capital flows: A welfare analysis," European Economic Review, Elsevier, vol. 49(3), pages 579-598, April.
    10. Michael Zierhut, 2016. "Partially revealing rational expectations equilibrium with real assets and binding constraints," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 62(3), pages 495-516, August.
    11. Banerjee, Anurag N. & Seccia, Giulio, 2002. "On the "Hirshleifer effect'' of unscheduled monetary policy announcements," Discussion Paper Series In Economics And Econometrics 0213, Economics Division, School of Social Sciences, University of Southampton.
    12. Juan Hatchondo, 2004. "The value of information with heterogeneous agents and partially revealing prices," Econometric Society 2004 North American Summer Meetings 175, Econometric Society.
    13. Broll, Udo & Eckwert, Bernhard & Eickhoff, Andreas, 2011. "Transparency in the banking sector," Dresden Discussion Paper Series in Economics 05/11, Technische Universität Dresden, Faculty of Business and Economics, Department of Economics.

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