Equilibria in exchange economies with financial constraints: beyond the Cass trick
Autor(a) principal: | |
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Data de Publicação: | 2005 |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional do FGV (FGV Repositório Digital) |
Texto Completo: | http://hdl.handle.net/10438/12970 |
Resumo: | We consider an exchange economy under incomplete financiaI markets with purely financiaI securities and finitely many agents. When portfolios are not constrained, Cass [4], Duffie [7] and Florenzano-Gourdel [12] proved that arbitrage-free security prices fully characterize equilibrium security prices. This result is based on a trick initiated by Cass [4] in which one unconstrained agent behaves as if he were in complete markets. This approach is unsatisfactory since it is asymmetric and no more valid when every agent is subject to frictions. We propose a new and symmetric approach to prove that arbitrage-free security prices still fully characterize equilibrium security prices in the more realistic situation where the financiaI market is constrained by convex restrictions, provided that financiaI markets are collectively frictionless. |
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Martins-da-Rocha, Victor FilipeEscolas::EPGEFGV2014-12-22T14:55:47Z2014-12-22T14:55:47Z2005-08-05http://hdl.handle.net/10438/12970We consider an exchange economy under incomplete financiaI markets with purely financiaI securities and finitely many agents. When portfolios are not constrained, Cass [4], Duffie [7] and Florenzano-Gourdel [12] proved that arbitrage-free security prices fully characterize equilibrium security prices. This result is based on a trick initiated by Cass [4] in which one unconstrained agent behaves as if he were in complete markets. This approach is unsatisfactory since it is asymmetric and no more valid when every agent is subject to frictions. We propose a new and symmetric approach to prove that arbitrage-free security prices still fully characterize equilibrium security prices in the more realistic situation where the financiaI market is constrained by convex restrictions, provided that financiaI markets are collectively frictionless.engEscola de Pós-Graduação em Economia da FGVSeminários de Almoço da EPGE;Todo cuidado foi dispensado para respeitar os direitos autorais deste trabalho. Entretanto, caso esta obra aqui depositada seja protegida por direitos autorais externos a esta instituição, contamos com a compreensão do autor e solicitamos que o mesmo faça contato através do Fale Conosco para que possamos tomar as providências cabíveisinfo:eu-repo/semantics/openAccessExchange economiesIncomplete financial marketsPurely financial securitiesNominal assetsConstrained portfoliosCollectively frictionless financial marketsEquilibrium security pricesArbitrage-free security pricesEconomiaMercado financeiro - Modelos matemáticosEquilibria in exchange economies with financial constraints: beyond the Cass trickinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlereponame:Repositório Institucional do FGV (FGV Repositório Digital)instname:Fundação Getulio Vargas 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dc.title.eng.fl_str_mv |
Equilibria in exchange economies with financial constraints: beyond the Cass trick |
title |
Equilibria in exchange economies with financial constraints: beyond the Cass trick |
spellingShingle |
Equilibria in exchange economies with financial constraints: beyond the Cass trick Martins-da-Rocha, Victor Filipe Exchange economies Incomplete financial markets Purely financial securities Nominal assets Constrained portfolios Collectively frictionless financial markets Equilibrium security prices Arbitrage-free security prices Economia Mercado financeiro - Modelos matemáticos |
title_short |
Equilibria in exchange economies with financial constraints: beyond the Cass trick |
title_full |
Equilibria in exchange economies with financial constraints: beyond the Cass trick |
title_fullStr |
Equilibria in exchange economies with financial constraints: beyond the Cass trick |
title_full_unstemmed |
Equilibria in exchange economies with financial constraints: beyond the Cass trick |
title_sort |
Equilibria in exchange economies with financial constraints: beyond the Cass trick |
author |
Martins-da-Rocha, Victor Filipe |
author_facet |
Martins-da-Rocha, Victor Filipe |
author_role |
author |
dc.contributor.unidadefgv.por.fl_str_mv |
Escolas::EPGE |
dc.contributor.affiliation.none.fl_str_mv |
FGV |
dc.contributor.author.fl_str_mv |
Martins-da-Rocha, Victor Filipe |
dc.subject.eng.fl_str_mv |
Exchange economies Incomplete financial markets Purely financial securities Nominal assets Constrained portfolios Collectively frictionless financial markets Equilibrium security prices Arbitrage-free security prices |
topic |
Exchange economies Incomplete financial markets Purely financial securities Nominal assets Constrained portfolios Collectively frictionless financial markets Equilibrium security prices Arbitrage-free security prices Economia Mercado financeiro - Modelos matemáticos |
dc.subject.area.por.fl_str_mv |
Economia |
dc.subject.bibliodata.por.fl_str_mv |
Mercado financeiro - Modelos matemáticos |
description |
We consider an exchange economy under incomplete financiaI markets with purely financiaI securities and finitely many agents. When portfolios are not constrained, Cass [4], Duffie [7] and Florenzano-Gourdel [12] proved that arbitrage-free security prices fully characterize equilibrium security prices. This result is based on a trick initiated by Cass [4] in which one unconstrained agent behaves as if he were in complete markets. This approach is unsatisfactory since it is asymmetric and no more valid when every agent is subject to frictions. We propose a new and symmetric approach to prove that arbitrage-free security prices still fully characterize equilibrium security prices in the more realistic situation where the financiaI market is constrained by convex restrictions, provided that financiaI markets are collectively frictionless. |
publishDate |
2005 |
dc.date.issued.fl_str_mv |
2005-08-05 |
dc.date.accessioned.fl_str_mv |
2014-12-22T14:55:47Z |
dc.date.available.fl_str_mv |
2014-12-22T14:55:47Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://hdl.handle.net/10438/12970 |
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http://hdl.handle.net/10438/12970 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.ispartofseries.por.fl_str_mv |
Seminários de Almoço da EPGE; |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Escola de Pós-Graduação em Economia da FGV |
publisher.none.fl_str_mv |
Escola de Pós-Graduação em Economia da FGV |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional do FGV (FGV Repositório Digital) instname:Fundação Getulio Vargas (FGV) instacron:FGV |
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FGV |
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