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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

Incorporação do elemento BDE na modelagem de Risco Operacional e seu impacto no VaR

Nava, Natalia Raquel Pires 07 July 2015 (has links)
Dissertação (mestrado)—Universidade de Brasilia, Departamento de Estatistica, Programa de Pós-Graduação, 2015. / Submitted by Tania Milca Carvalho Malheiros (tania@bce.unb.br) on 2015-11-11T16:23:37Z No. of bitstreams: 1 2015_NatáliaNava.pdf: 655581 bytes, checksum: 30d3dc6505130fab2a5544fa3f5c74a9 (MD5) / Approved for entry into archive by Raquel Viana(raquelviana@bce.unb.br) on 2015-11-25T17:23:01Z (GMT) No. of bitstreams: 1 2015_NatáliaNava.pdf: 655581 bytes, checksum: 30d3dc6505130fab2a5544fa3f5c74a9 (MD5) / Made available in DSpace on 2015-11-25T17:23:01Z (GMT). No. of bitstreams: 1 2015_NatáliaNava.pdf: 655581 bytes, checksum: 30d3dc6505130fab2a5544fa3f5c74a9 (MD5) / O Banco Central do Brasil estabeleceu, por meio da Circular No 3.647, de Março de 2013, os requisitos mínimos para a utilização de Abordagem Avançada (AMA), baseada em modelo interno, no cálculo de alocação de capital para risco operacional. A incorporação da Base de Dados Externos (BDE) ao modelo AMA é um dos pontos abordados na referida Circular e será o foco deste trabalho. São sugeridos dois métodos de incorporação da BDE, em conjunto com modelos para escalonamento e filtragem dos dados, e avaliado o respectivo impacto do uso deste elemento na alocação de capital para risco operacional utilizando o método LDA (Loss Distribution Approach) para construção da Distribuição Agregada de Perdas (DAP) e cálculo do VaR (Value at Risk). ______________________________________________________________________________________________ ABSTRACT / Central Bank of Brazil has established, through Circular No. 3.647, of March 2013, the minimum requirements for the use of Advanced Measurement Approach (AMA), based on internal model, in the calculation of capital allocation for operational risk. The incorporation of External Database (BDE) to the AMA model isone of the points raised at that Circular and it was the focus of this work. We suggested two methods of incorporation of BDE, together with models for scaling and filtering data, and assessed the impact of the use of this element in capital allocation for operational risk using the Loss Distribution Approach (LDA) for construction of the Aggregate Losses Distribution (DAP) and calculating the Value at Risk (VaR).

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