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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Risco bancÃrio e disciplina de mercado / Banking risk and market discipline

RogÃrio Moreira de Siqueira 04 September 2009 (has links)
Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico / This work search to study as the agency costs and the moral hazard affect the decisions of the Brazilian banks as for the risk level that it are willing to assume, once determining the behavior of these banks is easier to formulate preventive politics to the occurrence of crises. As contribution in relation to the existent literature can stand out the attempt to model the variance taking into account the problem of the conditional heteroscedasticity and to verify as the banks have if held durant during the crises observed in the last decade. The results of this work point that the systemic risk was less expressive than the specific risk in the composition of the total risk and that, given the characteristics of the Brazilian banks, the property structure and the franchise value tend to affect the total and specific risks in an inverse way, however in what concerns the systematic risk no there is a very defined relationship. / Este trabalho busca estudar como os custos de agÃncia e o risco moral afetam as decisÃes dos bancos brasileiros quanto ao nÃvel de risco que estÃo dispostos a assumir, uma vez que determinando o comportamento destes bancos fica mais fÃcil formular polÃticas preventivas à ocorrÃncia de crises. Como contribuiÃÃo em relaÃÃo à literatura existente pode-se destacar a tentativa de modelar a variÃncia levando em conta o problema da heterocedasticidade condicional e verificar como os bancos tÃm se comportado durante as crises observadas na Ãltima dÃcada. Os resultados deste trabalho apontam que o risco sistÃmico foi menos expressivo do que o risco especÃfico na composiÃÃo do risco total e que, dadas as caracterÃsticas dos bancos brasileiros, a estrutura de propriedade e o franchise value tendem a afetar os riscos totais e especÃficos de forma inversa, no entanto no que diz respeito ao risco sistemÃtico nÃo hà uma relaÃÃo bem definida.
2

AnÃlise da relaÃÃo entre concentraÃÃo bancÃria e spread para o setor bancÃrio no Brasil no perÃodo de 2003 a 2010 / Analysis of the relationship between bank concentration and spread to the banking sector in Brazil period from 2003 to 2010

Marcelo Wesley Justino Correia 06 March 2015 (has links)
nÃo hà / O mercado bancÃrio brasileiro passou por uma sÃrie de transformaÃÃes durante a dÃcada de 1990, as quais tiveram um impacto sobre as formas de atuaÃÃo dos bancos afetando diretamente aspectos relacionados à eficiÃncia, lucratividade/rentabilidade e exposiÃÃo ao risco sistÃmico dos bancos. A partir de meados da dÃcada de 1990, com a implementaÃÃo e consolidaÃÃo do Plano Real, ocorreram mudanÃas na economia brasileira visando um cenÃrio de estabilidade econÃmica a partir da contenÃÃo da inflaÃÃo e outras polÃticas econÃmicas visando tal cenÃrio. Nessa perspectiva, apÃs esse processo de reestruturaÃÃo, observou-se um ambiente de maior concentraÃÃo do setor bancÃrio brasileiro. Esse estudo investigou a relaÃÃo entre concentraÃÃo bancÃria e spread bancÃrio, assim como um conjunto de fatores explicativos que influenciam variaÃÃes nesse spread bancÃrio. Os resultados do modelo economÃtrico divergiram da hipÃtese central levantada nesta pesquisa, de que uma estrutura mais concentrada poderia contribuir para uma reduÃÃo do spread bancÃrio geral. De acordo com esta pesquisa a concentraÃÃo poderia se mostrar negativamente relacionada com spread atravÃs de um aumento da eficiÃncia dos processos e reduÃÃes de perdas, inclusive com reduÃÃo indireta dos nÃveis de inadimplÃncia. Todavia, o que se observou atravÃs da evidÃncia economÃtrica foi a existÃncia de uma relaÃÃo positiva entre essas duas variÃveis no modelo analisado nessa pesquisa, isso pode ser observado a partir do coeficiente estimado positivo para a relaÃÃo entre o spread bancÃrio e a medida de concentraÃÃo bancÃria representada pela variÃvel MSCB1 no modelo economÃtrico. / The Brazilian banking market has undergone a series of transformations during the 1990s, which had an impact on the ways of acting banks directly affecting aspects related to efficiency, profitability / return and exposure to systemic risk of banks. From the mid-1990s, with the implementation and consolidation of the Real Plan, there were changes in the Brazilian economy for a scenario of economic stability from containing inflation and other economic policies to such a scenario. From this perspective after this restructuring process, there was a higher concentration of the Brazilian banking sector environment. This study investigated the relationship between bank concentration and banking spread as well as a set of explanatory factors that influence variations that banking spread. The results of the econometric model diverged from the central hypothesis in this research, that a more concentrated structure could contribute to a reduction in the general banking spread. According to this research the concentration could prove negatively related to spread through increased process efficiency and loss reduction including indirect reduction in default levels. But what was observed by econometric evidence was the existence of a positive relationship between these two variables in the model analyzed in this research, it can be seen from the positive estimated coefficient for the relationship between the banking spread and the measure represented bank concentration by MSCB1 variable in the econometric model.

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