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Master's Dissertation
DOI
https://doi.org/10.11606/D.45.2010.tde-20230727-113428
Document
Author
Full name
Marcos Paulo da Silva Albuquerque
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2010
Supervisor
Title in Portuguese
Agregação de risco de mercado, risco de crédito e risco operacional em atividades de um banco
Keywords in Portuguese
Análise De Risco
Abstract in Portuguese
Agregaçao de riscos refere-se ao desenvolvimento de medidas quantitativas que incorporam diferentes tipos de riscos. A especificaçao da estrutura de dependencia entre os fatores de riscos tem um importante papel neste contexto. Dessa forma, o uso de copulas para agregar riscos parece ser um caminho natural, ja que as copulas conseguem analisar a relaçao de dependencia independentemente de efeitos marginais. Esta dissertaçao apresenta o conceito de copula, assim como algumas de suas propriedades. Tambem sao discutidas medidas de dependencia, metodos de estimaçao de parametros e testes de qualidade de ajuste. Por fim, ha uma aplicaçao da teoria de copulas em um problema de agregaçao de riscos utilizando dados reais.
Title in English
not available
Abstract in English
Risk aggregation refers to the development of quantitative measures that incorporate different types of risks. The specification of the dependence structure among the risk factors plays an important role. Thus, the use of copulas to aggregate risk seems to be a natural way, since the copula can analyze the dependence regardless of marginal effects. This thesis presents the concept of copula, as well as some of its properties. Also discussed are measures of dependence, methods of parameter estimation and goodness of fit testing. Finally, there is an application of the theory of copula in a problem of risk aggregation using real data
 
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Publishing Date
2023-07-27
 
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