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Real Indeterminacy of Equilibria in a Sunspot Economy with Inside Money

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  • Suda, Shinichi
  • Tallon, Jean-Marc
  • Villanacci, Antonio

Abstract

In a two-period sunspot economy with inside money and "S" possible realizations of the sunspot, we prove that, generically in the space of utility functions, there are ["S" - 1] degrees of real indeterminacy. This result generalizes the previously known result for sunspot models that, generically in endowments, there is at least one degree of real indeterminacy. The proof involves showing that generically the equilibrium allocation is different across states for some household. This property allows us to perturb the utility function in a simple way and to apply standard transversality arguments to prove our main theorem.

Suggested Citation

  • Suda, Shinichi & Tallon, Jean-Marc & Villanacci, Antonio, 1992. "Real Indeterminacy of Equilibria in a Sunspot Economy with Inside Money," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 2(3), pages 309-319, July.
  • Handle: RePEc:spr:joecth:v:2:y:1992:i:3:p:309-19
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    Cited by:

    1. Cavailhes, Jean & Gaigne, Carl & Tabuchi, Takatoshi & Thisse, Jacques-Francois, 2007. "Trade and the structure of cities," Journal of Urban Economics, Elsevier, pages 383-404.
    2. Dekle, Robert, 1996. "Saving-investment associations and capital mobility On the evidence from Japanese regional data," Journal of International Economics, Elsevier, vol. 41(1-2), pages 53-72, August.
    3. Jean-Marc Tallon, 1995. "Théorie de l'équilibre général avec marchés financiers incomplets," Revue Économique, Programme National Persée, vol. 46(5), pages 1207-1239.
    4. Leslie M. Marx & Steven A. Matthews, 2000. "Dynamic Voluntary Contribution to a Public Project," Review of Economic Studies, Oxford University Press, pages 327-358.
    5. Atsushi Kajii, 2007. "Welfare Gains And Losses In Sunspot Equilibria," The Japanese Economic Review, Japanese Economic Association, vol. 58(3), pages 329-344.
    6. Kajii, Atsushi, 1998. "Sunspots and the Sequential Regularity of Competitive Equilibria," Journal of Economic Theory, Elsevier, vol. 78(1), pages 187-194, January.
    7. Atsushi Kajii, "undated". ""The Sequential Regularity of Competitive Equilibria and Sunspots''," CARESS Working Papres 95-11, University of Pennsylvania Center for Analytic Research and Economics in the Social Sciences.

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