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Contágio da crise da dívida soberana na área do euro no período de 2007 a 2013: os casos de Portugal, Grécia e Irlanda

Authors: Pereira, Inês de Jesus Prates;

Contágio da crise da dívida soberana na área do euro no período de 2007 a 2013: os casos de Portugal, Grécia e Irlanda

Abstract

Este estudo analisa o co-movimento entre o mercado obrigacionista português e o mercado obrigacionista grego, irlandês e alemão, após o início da crise do subprime (2007 a 2013). Pretende-se com este trabalho perceber se existiram evidências de contágio entre o mercado obrigacionista português e o mercado obrigacionista grego e irlandês e se existiram fluxos de capitais do mercado obrigacionista português e grego para o mercado obrigacionista da Alemanha (fuga para a qualidade), nos períodos de crise identificados (desde o início da crise do subprime até ao 1º trimestre de 2013). O estudo permite também averiguar se existe um decoupling entre o mercado obrigacionista de Portugal e da Grécia e uma aproximação dos mercados obrigacionistas de Portugal e Irlanda, como tem vindo a ser percecionado pelos investidores. A análise é realizada através da estimação de modelos econométricos DCC-IGARCH, utilizando dados diários dos yields das OT com maturidade a 10 anos do mercado obrigacionista de Portugal, Grécia, Irlanda e Alemanha. Os resultados obtidos sugerem a existência de contágio entre o mercado obrigacionista grego e português na maior parte das crises identificadas. A análise da evolução da correlação entre os mercados obrigacionistas, no final do período em estudo, indicia a não existência de decoupling entre os yields de Portugal e da Grécia e um afastamento entre os yields de Portugal e Irlanda. São evidentes, na maior parte das crises identificadas (inclusive nas verificadas em 2012 e 2013), fluxos de fuga para a qualidade do mercado obrigacionista português e grego para o alemão. Palavras-chave: contágio; fuga para a qualidade; crise da dívida soberana da área do euro; .

This work aims to analyse the co-movements between the Portuguese and the Greek, Irish and German government bond market, after the subprime crisis (2007 to 2013). Its double objective is to detect the existence of contagion between the Portuguese market and the Greece and Ireland markets and to explore the phenomena of flight-to-quality, by taking a look at the capital flows moving from the Portuguese and Greek bond markets to the German bond market. This study also investigates if Portugal bond market is decoupling from Greek bond market and approaching the Irish market situation, seen as a better one by the market participants. The analysis is undertaken through econometric estimations (DCC-IGARCH models), using daily data for the yields of 10 year maturity government bonds of Portugal, Greece, Ireland and Germany. The obtained results suggest the existence of contagion between the Greek and the Portuguese market. The correlation between the Portuguese and Greek yields at the end of the analysed period indicates the not existence of decoupling between the two countries. By other hand, the correlation between Portugal and Ireland shows these countries are heading to different directions. During most of the identified crises periods, flight-to-quality flows are evident from the Portuguese and Greek bond markets to Germany.

Country
Portugal
Keywords

Financial contagion, Fuga para a qualidade, Modelo DCC-GARCH, G15, E Macroeconomics and monetary economics, Crise da dívida soberana da área do euro, Euro sovereign debt crisis, Flight-to-quality, :Ciências Sociais::Economia e Gestão [Domínio/Área Científica], G Financial economics, DCC-GARCH model, Domínio/Área Científica::Ciências Sociais::Economia e Gestão, Contágio, E44, E43

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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