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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

Ratting de InstituiÃÃes BancÃrias: desenvolvimento de um modelo fundamentado em Ãndices financeiros e matrizes de migraÃÃo / Ratting of banks: the development of a model based on financial ratios and migration matrices

Elzio Nunes de Mattos Filho 07 February 2011 (has links)
nÃo hà / Esta pesquisa objetiva o desenvolvimento de um modelo de risco para instituiÃÃes bancÃrias, fundamentado em Ãndices financeiros, com a aplicaÃÃo de conceitos de matrizes de migraÃÃo de ratings. Para isso, sÃo utilizados dados contÃbeis pÃblicos destas entidades, que recebem o acompanhamento de autoridades monetÃrias, devido ao risco sistÃmico que podem representar, e das matrizes de migraÃÃo de rating, que tÃm se tornado de grande utilidade na teoria moderna de administraÃÃo do risco. Assim, em uma abordagem teÃrica e experimental, foi gerado um modelo, com a utilizaÃÃo de matrizes de migraÃÃo, construÃdas a partir de classificaÃÃes de risco baseadas em Ãndices financeiros. Foram utilizados demonstrativos financeiros semestrais e anuais de 79 instituiÃÃes bancÃrias, no perÃodo de 2001 a 2009. Verificou-se que as matrizes de migraÃÃo que mais se aproximavam de matrizes de rating foram aquelas com menores nÃmeros de classes de risco e de maiores intervalos. Quanto aos Ãndices da equaÃÃo do modelo, verificou-se que a alavancagem e a relaÃÃo capital/depositantes foram os que apresentaram maiores ponderaÃÃes. Quando as notas estimadas foram comparadas com as notas das agÃncias Austin e Fitch, observou-se baixo nÃmero de notas iguais, porÃm em quantidade significativa, quando consideradas tambÃm as notas iguais e as que diferiam em apenas um nÃvel de risco. / This research aims to develop a risk model for banks, based on financial indices, with the application of concepts of migration matrices ratings. For this, public accounting data are used these entities that receive the monitoring of monetary authorities, due to the systemic risk that may represent, and rating migration matrices, which have become very useful in the modern theory of risk management. Thus, in a theoretical and experimental, a model was created with the use of migration matrices, constructed from risk scores based on financial indices. We used half-yearly and annual financial statements of 79 banks in the period 2001 to 2009. It was found that the matrix of migration that were closest to the rating matrices were those with smaller numbers of classes of risk and greater intervals. Regarding the indexes of the model equation, it was found that the leverage ratio and capital / depositors were those with higher weightings. When notes were compared with the estimated scores of agencies Fitch and Austin, we found low numbers of equal notes, but in significant amounts when the notes considered equal and the only one that differed in level of risk.

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