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Local Sunspot Equilibria Reconsidered

Author

Listed:
  • Julio Davila

    (CES - Centre d'économie de la Sorbonne - UP1 - Université Paris 1 Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique, PSE - Paris School of Economics - UP1 - Université Paris 1 Panthéon-Sorbonne - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres - EHESS - École des hautes études en sciences sociales - ENPC - École nationale des ponts et chaussées - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

  • Piero Gottardi

    (Universita di Venezia - Universita di Venezia)

  • Atsushi Kajii

    (Kyōto daigaku = Kyoto University)

Abstract

We generalize the usual notion of local sunspot equilibria. We say such equilibria exist around a steady state of an OLG economy whenever stationary sunspot equilibria of arbitrarily close economies exist within any neighborhood of the steady state. Unlike the usual notion, this generalization allows to address the following identification problem: Can an analyst distinguish empirically small fluctuations due to small shocks to the fundamentals from pure expectations-driven fluctuations? We study conditions under which these generalized local sunspot equilibria exist in OLG economies, and show that they may exist around not only indeterminate but also determinate steady states.

Suggested Citation

  • Julio Davila & Piero Gottardi & Atsushi Kajii, 2007. "Local Sunspot Equilibria Reconsidered," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00286023, HAL.
    • Handle: RePEc:hal:cesptp:halshs-00286023
    DOI: 10.1007/s00199-006-0108-4
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    Cited by:

    1. Dmitry Levando & Maxim Sakharov, 2018. "Natural Instability of Equilibrium Prices," Working Papers 2018:01, Department of Economics, University of Venice "Ca' Foscari".
    2. Bloise, Gaetano, 2004. "A note on sunspot equilibrium in sequential economies," Research in Economics, Elsevier, vol. 58(1), pages 59-74, March.
    3. Julio Dávila, "undated". "Reducing Overlapping Generations Economies to Finite Economies," CARESS Working Papres 00-08, University of Pennsylvania Center for Analytic Research and Economics in the Social Sciences.
    4. Fabrizio Orrego, 2014. "Habit formation and indeterminacy in overlapping generations models," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 55(1), pages 225-241, January.

    More about this item

    Keywords

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    JEL classification:

    • D50 - Microeconomics - - General Equilibrium and Disequilibrium - - - General
    • D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations

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