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Prudent Expectations Equilibrium in Economies with Uncertain Delivery

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Author Info
Joao Correia-da-Silva () (CEMPRE, Faculdade de Economia, Universidade do Porto)
Carlos Hervés-Beloso () (RGEA. Facultad de Económicas. Universidade de Vigo.)

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Abstract

In an economy with private information, we introduce the notion of objects of choice as lists of bundles out of which the market selects one for delivery. This leads to an extension of the model of Arrow-Debreu that is used to study ex-ante trade with private state verification. The model does not require agents to have complete information about the space of states, being suited to a context of Knightian uncertainty. Under the assumption that agents are prudent, equilibrium is characterized by the fact that agents consume bundles with the same utility in states that they do not distinguish.

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Publisher Info
Paper provided by Universidade do Porto, Faculdade de Economia do Porto in its series FEP Working Papers with number 216.

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Length: 34 pages
Date of creation: Jun 2006
Date of revision:
Handle: RePEc:por:fepwps:216

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Related research
Keywords: General equilibrium; Private information; Incomplete information; Knightian uncertainty; Ambiguity; Uncertain delivery; Lists of bundles.;

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Find related papers by JEL classification:
C62 - Mathematical and Quantitative Methods - - Mathematical Methods and Programming - - - Existence and Stability Conditions of Equilibrium
D51 - Microeconomics - - General Equilibrium and Disequilibrium - - - Exchange and Production Economies
D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Postlewaite, Andrew & Schmeidler, David, 1986. "Implementation in differential information economies," Journal of Economic Theory, Elsevier, vol. 39(1), pages 14-33, June. [Downloadable!] (restricted)
  2. Guangsug Hahn & Nicholas C. Yannelis, 1997. "Efficiency and incentive compatibility in differential information economies," Economic Theory, Springer, vol. 10(3), pages 383-411. [Downloadable!] (restricted)
  3. Hildenbrand, W & Mertens, J F, 1972. "Upper Hemi-Continuity of the Equilibrium-Set Correspondence for Pure Exchange Economies," Econometrica, Econometric Society, vol. 40(1), pages 99-108, January. [Downloadable!] (restricted)
  4. Yannelis, Nicholas C, 1991. "The Core of an Economy with Differential Information," Economic Theory, Springer, vol. 1(2), pages 183-97, April.
  5. Wassin Daher & V. Filipe Martins-da-Rocha & Yiannis Vailakis, 2005. "Asset market equilibrium with short-selling and differential information," Cahiers de la Maison des Sciences Economiques b05098, Université Panthéon-Sorbonne (Paris 1). [Downloadable!]
  6. Wassim Daher & V. Martins-da-Rocha & Yiannis Vailakis, 2007. "Asset market equilibrium with short-selling and differential information," Economic Theory, Springer, vol. 32(3), pages 425-446, September. [Downloadable!] (restricted)
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  7. Prescott, Edward C & Townsend, Robert M, 1984. "Pareto Optima and Competitive Equilibria with Adverse Selection and Moral Hazard," Econometrica, Econometric Society, vol. 52(1), pages 21-45, January. [Downloadable!] (restricted)
  8. Holmstrom, Bengt & Myerson, Roger B, 1983. "Efficient and Durable Decision Rules with Incomplete Information," Econometrica, Econometric Society, vol. 51(6), pages 1799-819, November. [Downloadable!] (restricted)
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  9. Wilson, Robert B, 1978. "Information, Efficiency, and the Core of an Economy," Econometrica, Econometric Society, vol. 46(4), pages 807-16, July. [Downloadable!] (restricted)
  10. Joao Correia-da-Silva & Carlos Hervés-Beloso, 2006. "Rational Expectations Equilibrium in Economies with Uncertain Delivery," FEP Working Papers 206, Universidade do Porto, Faculdade de Economia do Porto. [Downloadable!]
  11. Forges, Francoise & Minelli, Enrico & Vohra, Rajiv, 2002. "Incentives and the core of an exchange economy: a survey," Journal of Mathematical Economics, Elsevier, vol. 38(1-2), pages 1-41, September. [Downloadable!] (restricted)
    Other versions:
  12. Radner, Roy, 1979. "Rational Expectations Equilibrium: Generic Existence and the Information Revealed by Prices," Econometrica, Econometric Society, vol. 47(3), pages 655-78, May. [Downloadable!] (restricted)
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  14. Repullo, Rafael, 1985. "On the non-existence of equilibrium with differential information," Economics Letters, Elsevier, vol. 18(2-3), pages 105-108. [Downloadable!] (restricted)
  15. Harsanyi, John C, 1995. "Games with Incomplete Information," American Economic Review, American Economic Association, vol. 85(3), pages 291-303, June.
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  16. Schmeidler, David, 1989. "Subjective Probability and Expected Utility without Additivity," Econometrica, Econometric Society, vol. 57(3), pages 571-87, May. [Downloadable!] (restricted)
  17. Peter Klibanoff & Massimo Marinacci & Sujoy Mukerji, 2005. "A Smooth Model of Decision Making under Ambiguity," Econometrica, Econometric Society, vol. 73(6), pages 1849-1892, November. [Downloadable!] (restricted)
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  18. Jean Tirole, 1999. "Incomplete Contracts: Where Do We Stand?," Econometrica, Econometric Society, vol. 67(4), pages 741-782, July.
  19. Angeloni, Laura & Martins-da-Rocha, V. F., 2007. "Contract enforcement and incentive compatibility in large economies with differential information: the role of exact feasibility," Economics Working Papers (Ensaios Economicos da EPGE) 647, Graduate School of Economics, Getulio Vargas Foundation (Brazil). [Downloadable!]
  20. Dionysius Glycopantis & Allan Muir & Nicholas C. Yannelis, 2003. "On extensive form implementation of contracts in differential information economies," Economic Theory, Springer, vol. 21(2), pages 495-526, 03. [Downloadable!] (restricted)
Full references

Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Carlos Hervés-Beloso & V. Martins-da-Rocha & Paulo Monteiro, 2009. "Equilibrium theory with asymmetric information and infinitely many states," Economic Theory, Springer, vol. 38(2), pages 295-320, February. [Downloadable!] (restricted)
    Other versions:
  2. Joao Correia-da-Silva, 2009. "Uncertain delivery in markets for lemons," FEP Working Papers 310, Universidade do Porto, Faculdade de Economia do Porto. [Downloadable!]
    Other versions:
  3. Joao Correia-da-Silva & Carlos Hervés-Beloso, 2006. "Rational Expectations Equilibrium in Economies with Uncertain Delivery," FEP Working Papers 206, Universidade do Porto, Faculdade de Economia do Porto. [Downloadable!]
  4. Joao Correia-da-Silva & Carlos Hervés-Beloso, 2005. "Subjective Expectations Equilibrium in Economies with Uncertain Delivery," FEP Working Papers 190, Universidade do Porto, Faculdade de Economia do Porto. [Downloadable!]
    Other versions:
  5. Dionysius Glycopantis & Carlos Hervés-Beloso & Konrad Podczeck, 2009. "Symposium on: equilibria with asymmetric information," Economic Theory, Springer, vol. 38(2), pages 217-219, February. [Downloadable!] (restricted)
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