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The Structure of Sunspot Equilibria: The Role of Multiplicity

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  • Gottardi, Piero
  • Kajii, Atsushi

Abstract

This paper examines the structure of sunspot equilibria in a standard two period exchange economy with real assets. We show that for a generic choice of utility functions and endowments, there exists an open set of real asset structures whose payoffs are independent of sunspots such that the economy with this asset structure has a regular sunspot equilibrium. An important implication of our result is that the multiplicity of non-sunspot equilibria is not necessary for the existence of sunspot equilibria. Our technique is general and can be applied to show the existence of sunspot equilibria in other frameworks. Copyright 1999 by The Review of Economic Studies Limited.

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Bibliographic Info

Article provided by Wiley Blackwell in its journal Review of Economic Studies.

Volume (Year): 66 (1999)
Issue (Month): 3 (July)
Pages: 713-32

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Handle: RePEc:bla:restud:v:66:y:1999:i:3:p:713-32

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Cited by:
  1. Drèze,Jacques H. & Herings,P. Jean-Jacques, 2003. "Sequentially complete Markets Remain Incomplete," Research Memorandum 058, Maastricht University, Maastricht Research School of Economics of Technology and Organization (METEOR).
  2. Julio Dvila & Piero Gottardi & Atsushi Kajii, . "Local Sunspot Equilibria Reconsidered," Penn CARESS Working Papers 164a7928416be97f49ebc2b58, Penn Economics Department.
  3. Hoelle, Matthew, 2014. "The relation between sunspot effects and multiplicity in incomplete markets models with numeraire assets," Journal of Mathematical Economics, Elsevier, vol. 50(C), pages 119-127.
  4. Hens, Thorsten & Pilgrim, Beate, 2004. "Sunspot Equilibria and the Transfer Paradox," Discussion Papers 2004/14, Department of Business and Management Science, Norwegian School of Economics.
  5. Alessandro Citanna & Karl Schmedders, 2002. "Controlling Price Volatility Through Financial Innovation," Discussion Papers 1338, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  6. Citanna, Alessandro & Siconolfi, Paolo, 2007. "Short-memory equilibrium in stochastic overlapping generations economies," Journal of Economic Theory, Elsevier, vol. 134(1), pages 448-469, May.
  7. Atsushi Kajii, 2006. "Welfare Gains and Losses in Sunspot Equilibria," KIER Working Papers 624, Kyoto University, Institute of Economic Research.
  8. Atsushi Kajii, 2008. "Sunspot Equilibria in a Production Economy: Do Rational Animal Spirits Cause Overproduction?," KIER Working Papers 655, Kyoto University, Institute of Economic Research.
  9. Thorsten Hens & Beate Pilgrim & Janos Mayer, . "Existence of Sunspot Equilibria and Uniqueness of Spot Market Equilibria: The Case of Intrinsically Complete Markets," IEW - Working Papers 188, Institute for Empirical Research in Economics - University of Zurich.
  10. Franklin Allen & Douglas Gale, 2003. "Financial Fragility, Liquidity and Asset Prices," Center for Financial Institutions Working Papers 01-37, Wharton School Center for Financial Institutions, University of Pennsylvania.
  11. Thorsten Hens & Beate Pilgrim, . "Subsidizing Charitable Giving in a Field Experiment," IEW - Working Papers 070, Institute for Empirical Research in Economics - University of Zurich.
  12. Thorsten Hens & Beate Pilgrim, 2004. "Sunspot equilibria and the transfer paradox," Economic Theory, Springer, vol. 24(3), pages 583-602, October.
  13. Aditya Goenka & Stefano Matta, 2008. "Manipulation of endowments and sunspot equilibria," Economic Theory, Springer, vol. 36(2), pages 267-282, August.
  14. Gottardi, Piero & Kajii, Atsushi, 2003. "A note on the regularity of competitive equilibria and asset structures," Journal of Mathematical Economics, Elsevier, vol. 39(7), pages 763-776, September.
  15. Hens, Thorsten & Mayer, Janós & Pilgrim, Beate, 2004. "Existence of Sunspot Equilibria and Uniqueness of Spot Market Equilibria: The Case of Intrinsically Complete Markets," Discussion Papers 2004/15, Department of Business and Management Science, Norwegian School of Economics.

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