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Equilibrium with mutual organizations in adverse selection economies

Author

Listed:
  • Adam Blandin

    () (Arizona State University)

  • John H. Boyd

    () (University of Minnesota)

  • Edward C. Prescott

    () (Arizona State University
    Federal Reserve Bank of Minneapolis)

Abstract

Abstract We develop an equilibrium concept in the Debreu (Proc Natl Acad Sci USA 40(7):588–592, 1954) theory of value tradition for a class of adverse selection economies which includes the Spence (Q J Econ 87(3):355–374, 1973) signaling and Rothschild–Stiglitz (Q J Econ 90(4):629–649, 1976) insurance environments. The equilibrium exists and is optimal. Further, all equilibria have the same individual type utility vector. The economies are large with a finite number of types that maximize expected utility on an underlying commodity space. An implication of the analysis is that the invisible hand works for this class of adverse selection economies.

Suggested Citation

  • Adam Blandin & John H. Boyd & Edward C. Prescott, 2016. "Equilibrium with mutual organizations in adverse selection economies," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 62(1), pages 3-13, June.
  • Handle: RePEc:spr:joecth:v:62:y:2016:i:1:d:10.1007_s00199-015-0918-3
    DOI: 10.1007/s00199-015-0918-3
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    References listed on IDEAS

    as
    1. Cornet, Bernard, 1988. "General equilibrium theory and increasing returns : Presentation," Journal of Mathematical Economics, Elsevier, vol. 17(2-3), pages 103-118, April.
    2. Pradeep Dubey & John Geanakoplos, 2002. "Competitive Pooling: Rothschild-Stiglitz Reconsidered," The Quarterly Journal of Economics, Oxford University Press, vol. 117(4), pages 1529-1570.
    3. 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.
    4. Michael Rothschild & Joseph Stiglitz, 1976. "Equilibrium in Competitive Insurance Markets: An Essay on the Economics of Imperfect Information," The Quarterly Journal of Economics, Oxford University Press, vol. 90(4), pages 629-649.
    5. Ostroy, Joseph M., 1980. "The no-surplus condition as a characterization of perfectly competitive equilibrium," Journal of Economic Theory, Elsevier, vol. 22(2), pages 183-207, April.
    6. Andreu Mas-Colell, 1982. "Perfect Competition and the Core," Review of Economic Studies, Oxford University Press, vol. 49(1), pages 15-30.
    7. Wilson, Charles A, 1979. "Equilibrium and Adverse Selection," American Economic Review, American Economic Association, vol. 69(2), pages 313-317, May.
    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.
    9. Michael Spence, 1973. "Job Market Signaling," The Quarterly Journal of Economics, Oxford University Press, vol. 87(3), pages 355-374.
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    Cited by:

    1. Edward C. Prescott, 2016. "Northern America’s Production of Technology Capital Is Transforming the World Economy," Business Economics, Palgrave Macmillan;National Association for Business Economics, vol. 51(3), pages 127-132, July.

    More about this item

    Keywords

    Adverse selection equilibrium; Theory of value; Insurance; Signaling; Mutual organization; The core;

    JEL classification:

    • C62 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Existence and Stability Conditions of Equilibrium
    • D46 - Microeconomics - - Market Structure, Pricing, and Design - - - Value Theory
    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • G29 - Financial Economics - - Financial Institutions and Services - - - Other
    • G22 - Financial Economics - - Financial Institutions and Services - - - Insurance; Insurance Companies; Actuarial Studies

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