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Existence of Sunspot Equilibria and Uniqueness of Spot Market Equilibria: The Case of Intrinsically Complete Markets


Hens, Thorsten; Mayer, Janos; Pilgrim, Beate (2004). Existence of Sunspot Equilibria and Uniqueness of Spot Market Equilibria: The Case of Intrinsically Complete Markets. Working paper series / Institute for Empirical Research in Economics No. 188, University of Zurich.

Abstract

We consider economies with additively separable utility functions and give conditions for the two-agents case under which the existencenof sunspot equilibria is equivalent to the occurrence of the transfer paradox.nThis equivalence enables us to show that sunspots cannot matter if the initial economy has a unique spot market equilibrium and there are only twoncommodities 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 theneconomy has a unique equilibrium for all distributions of endowments inducednby asset trade.

We consider economies with additively separable utility functions and give conditions for the two-agents case under which the existencenof sunspot equilibria is equivalent to the occurrence of the transfer paradox.nThis equivalence enables us to show that sunspots cannot matter if the initial economy has a unique spot market equilibrium and there are only twoncommodities 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 theneconomy has a unique equilibrium for all distributions of endowments inducednby asset trade.

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Additional indexing

Item Type:Working Paper
Communities & Collections:03 Faculty of Economics > Department of Economics
Working Paper Series > Institute for Empirical Research in Economics (former)
Dewey Decimal Classification:330 Economics
Language:English
Date:May 2004
Deposited On:29 Nov 2011 22:32
Last Modified:05 Apr 2016 15:10
Series Name:Working paper series / Institute for Empirical Research in Economics
ISSN:1424-0459
Official URL:http://www.econ.uzh.ch/wp.html
Permanent URL: https://doi.org/10.5167/uzh-52084

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