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Local Sunspot Equilibria ReconsideredJulio DavilaUniversity of Pennsylvania - Department of Economics; Center of National Scientific Research Piero GottardiEuropean University Institute - Department of Economics; Ca Foscari University of Venice - Department of Economics; CESifo (Center for Economic Studies and Ifo Institute for Economic Research) Atsushi KajiiInstitute of Economic Research, Kyoto University; Singapore Management University November 2001 PIER Working Paper No. 01-054 Abstract: This paper re-examines the conditions for the existence of local stationary sunspot equilibria (SSE) in the standard OLG model from a broader perspective than before. We say that local SSE exist around a steady state of a given OLG economy if, in any arbitrarily small neighborhood of the steady state, we can find a SSE of a "nearby" economy. We show that when the domain where "nearby" economies may lie is defined by agents' endowments and probabilities, the indeterminacy of the steady state remains both necessary and sufficient for the existence of local SSE. On the other hand, when the domain of economies is defined by by agents' preferences and probabilities, local SSE may exist even around determinate steady states. We also show that if a slightly weaker notion of distance is used to identify "nearby' economies. SSE in the vicinity of a steady state equilibrium generically exist.
Number of Pages in PDF File: 28 working papers seriesDate posted: January 25, 2002Suggested CitationContact Information
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