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Doctoral thesis . 2012
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Ensaios Sobre a Microestrutura do Mercado de Câmbios Português

Authors: Albuquerque, Paula;

Ensaios Sobre a Microestrutura do Mercado de Câmbios Português

Abstract

As duas partes desta dissertação dão especial atenção, respectivamente, ao comportamento dos dealers e das corretoras no mercado cambial. Na primeira parte procuramos determinar o efeito da intervenção do banco central num mercado de câmbios em que os principais agentes são os dealers. Estudamos um elemento presente na actividade dos dealers do mercado de câmbios: o spread. Descobrimos que a sua forma particular resulta do fenómeno de concentração de valores. Consideramos que a compreensão deste fenómeno é escassa e que para a completar há que fazer apelo a elementos de natureza psicológica. Mostramos que a tendência seguida pelo spread tem forte relação com a volatilidade das taxas de câmbio. Detectamos um significativo efeito dia-da-semana. O acesso a uma base de dados sobre as transacções de um dealer, única em estudos sobre o mercado português, permite-nos testar algumas hipóteses sugeridas na literatura microestrutural. Na segunda parte procuramos contribuir para a formação de uma teoria da corretagem. Estudamos o fenómeno recente da corretora electrónica e fazemos uso da informação recolhida através de um inquérito para comparar a importância relativa da corretora tradicional e da electrónica. Tentamos ainda determinar em que medida o ponto forte da corretora tradicional é valorizado pelos dealers.

Doutoramento em Economia

Country
Portugal
Keywords

transacções, mercado de câmbios, spread, dealer, corretora, Microestrutura de mercados

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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.
BIP!Impulse provided by BIP!
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