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Competitividade do sistema bancário na zona euro

Authors: Melo, João Miguel Mexia de;

Competitividade do sistema bancário na zona euro

Abstract

A presente Dissertação tem como objetivo analisar os efeitos da competitividade na estabilidade financeira do sector bancário nos países pertencentes à zona euro entre 2015-2020, usando uma amostra de 275 bancos comercias com 1650 observações anuais. Foram utilizados dois tipos de medidas para caracterizar a dimensão competitividade (HHI - Herfindahl-Hirschman Index e o C3 – rácio de concentração), no caso da dimensão da estabilidade foi utilizado o Z-score, e o método de regressão utilizado foi o Panel Data Least Squares. De 2015 a 2020, o sistema bancário da zona euro registou um decréscimo ao nível de estabilidade financeira e um aumento do nível de competitividade. Mesmo tendo-se evidenciado um aumento da competitividade no sistema bancário da zona euro, o mesmo é caracterizado como sendo altamente concentrado. Os resultados provenientes das estimações feitas evidenciaram suporte a visão “competition-stability”, que defende que diminuições no nível de competitividade afeta negativamente o nível de estabilidade financeira do setor bancário. Além disso foi possível verificar que os maiores bancos (ao nível do total dos seus ativos) têm maior probabilidade de provocar alguma instabilidade financeira; os bancos com grande representatividade de loans no seu ativo total apresentam uma menor probabilidade de insolvência, e que aqueles que têm uma maior quantidade de depósitos bancários são aqueles que têm maior probabilidade de provocar alguma instabilidade financeira.

This Dissertation analyses the effects of competitiveness on the financial stability of the banking sector in the countries belonging to the euro zone between 2015-2020, using a sample of 275 commercial banks with 1650 annual observations. Two types of measures were used to characterise the competitiveness dimension (HHI - Herfindahl-Hirschman Index and the C3 - concentration ratio), in the case of the stability dimension the Z-score was used, and the regression method used was Panel Data Least Squares. From 2015 to 2020, the banking system in the euro zone recorded a decrease in the level of financial stability and an increase in the level of competitiveness. Even though there has been an increase in competitiveness in the euro area banking system, it is still characterised as highly concentrated. The results of the estimations show support for the "competition-stability" view, which argues that decreases in the level of competitiveness negatively affect the level of financial stability of the banking sector. In addition, it is possible to observe that the largest banks (in terms of total assets) are more likely to fail and unleash some financial instability; banks with a large representation of loans in their total assets are less likely to fail; and those with larger amounts of bank deposits are more likely to fail.

Country
Portugal
Keywords

HHI, Competitividade bancária, Banking competitiveness, G Financial economics, Sistema bancário -- Banking system, Banking stability, Domínio/Área Científica::Ciências Sociais::Economia e Gestão, Análise Z-score -- Z-score analysis, G21, Estabilidade bancária, G33, C3

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selected citations
These citations are derived from selected sources.
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).
BIP!Citations provided by BIP!
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.
BIP!Impulse provided by BIP!
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