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Continua of underemployment equilibria reflecting coordination failures, also at Walrasian prices

Alessandro Citanna (), Antonio Villanacci, Hervé Crès and Jacques Dreze
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Alessandro Citanna: GREGH - Groupement de Recherche et d'Etudes en Gestion à HEC - HEC Paris - Ecole des Hautes Etudes Commerciales - CNRS - Centre National de la Recherche Scientifique

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Abstract: In this paper, the existence of unemployment is partly explained as being the result of coordination failures. It is shown that as a result of self-fulfilling pessimistic expectations, even at Walrasian prices, a continuum of equilibria results, among which an equilibrium with approximately no trade and a Walrasian equilibrium. These coordination failures also arise at other price systems, but then unemployment is the result of both a wrong price system and coordination failures. Some properties of the set of equilibria are analyzed. Generically, there exists a continuum of non-indifferent equilibrium allocations. Under a condition implied by gross substitutability, there exists a continuum of equilibrium allocations in the neighborhood of a competitive allocation, when prices are Walrasian. For a specialized economy, a dynamic illustration is offered.

Keywords: General equilibrium; Underemployment; Coordination failures; Indeterminacy (search for similar items in EconPapers)
Date: 2001-12-01
Note: View the original document on HAL open archive server: https://hal-hec.archives-ouvertes.fr/hal-00463215
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Published in Journal of Mathematical Economics, Elsevier, 2001, Vol.36,n°3, pp.169-200. 〈10.1016/S0304-4068(01)00075-1〉

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Journal Article: Continua of underemployment equilibria reflecting coordination failures, also at Walrasian prices (2001) Downloads
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Working Paper: Continua of Underemployment Equilibria Reflecting Coordination Failures, Also at Walrasian Prices (2001)
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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-00463215

DOI: 10.1016/S0304-4068(01)00075-1

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