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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Existence of Sunspot Equilibria and Uniqueness of Spot Market Equilibria: The Case of Intrinsically Complete Markets
verfasst von : Thorsten Hens, János Mayer, Beate Pilgrim
Erschienen in: Essays in Dynamic General Equilibrium Theory
Verlag: Springer Berlin Heidelberg
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We consider economies with additively separable utility functions and give conditions for the two-agents case under which the existence of sunspot equilibria is equivalent to the occurrence of the transfer paradox. This equivalence enables us to show that sunspots cannot matter if the initial economy has a unique spot market equilibrium and there are only two commodities or if the economy has a unique equilibrium for all distributions of endowments induced by asset trade. For more than two agents the equivalence breaks and we give an example for sunspot equilibria even though the economy has a unique equilibrium for all distributions of endowments induced by asset trade.