The financial crisis of 2008 and its impact on the sectors of the brazilian economy: an approach quantile regressions and portfolio theory

nÃo hà === This study applies traditional techniques in Finance and Econometrics in order to analyze the impacts of Financial Crisis on some sectors of the Brazilian economy based upon market indicators provided by Getulio Vargas Foundation (FGV). Initially we apply the theory proposed by Markowitz...

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Main Author: Luiz Henrique Carvalho Braid
Other Authors: Andrei Gomes Simonassi
Format: Others
Language:Portuguese
Published: Universidade Federal do Cearà 2011
Subjects:
Online Access:http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=7852
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spelling ndltd-IBICT-oai-www.teses.ufc.br-55192019-01-21T22:49:11Z The financial crisis of 2008 and its impact on the sectors of the brazilian economy: an approach quantile regressions and portfolio theory A crise financeira de 2008 e seus impactos nos setores da economia brasileira: uma abordagem por regressÃes quantÃlicas e teoria de portfÃlio Luiz Henrique Carvalho Braid Andrei Gomes Simonassi Augusto Marcos Carvalho de Sena Paulo RogÃrio Faustino Matos Teoria de Carteira RegressÃo QuantÃlica Crise Financeira Portfolio Theory Quantile Regression Financial Crisis CIENCIAS SOCIAIS APLICADAS nÃo hà This study applies traditional techniques in Finance and Econometrics in order to analyze the impacts of Financial Crisis on some sectors of the Brazilian economy based upon market indicators provided by Getulio Vargas Foundation (FGV). Initially we apply the theory proposed by Markowitz to sectoral indicators for eight economic sectors and estimate efficient portfolios in the pre and post-financial crisis periods and we verify that the weights established in the two cases differ dramatically. After that, we estimate quantile regressions for three sectors: Mining, Metallurgic and Textiles are estimated confronting the its returns against the return of the market portfolio and the implicit volatility measured. First of all, the model captures the increase in the risk premium demanded by investors in times of crisis; in spite of the models allow us to infer that there is a change in consumer behavior in times of economic instability in order to make him more risk-tolerant. O estudo utiliza tÃcnicas tradicionais de FinanÃas e Econometria para analisar os impactos da crise financeira de 2008 sobre alguns setores da economia brasileira, tomando por base os indicadores setoriais de mercado da FundaÃÃo GetÃlio Vargas (FGV). Inicialmente aplica-se a teoria de Markowitz aos indicadores setoriais de mercado de oito setores e estimam-se portfÃlios eficientes no perÃodo prà e pÃscrise financeira, constatando que os pesos atribuÃdos aos dois perÃodos diferem dramaticamente. Posteriormente, regressÃes quantÃlicas para os setores MineraÃÃo, Metalurgia e TÃxtil sÃo estimadas, confrontando o retorno setorial com o retorno da carteira de mercado e a volatilidade implÃcita. AlÃm de captar a elevaÃÃo do prÃmio de risco exigido pelos investidores em perÃodos de crise, os modelos permitem inferir que hà uma mudanÃa de comportamento do consumidor em perÃodos de instabilidade econÃmica no sentido de tornÃ-lo mais tolerante ao risco. 2011-02-24 info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/masterThesis http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=7852 por info:eu-repo/semantics/openAccess application/pdf Universidade Federal do Cearà Programa de PÃs-GraduaÃÃo em Economia - CAEN UFC BR reponame:Biblioteca Digital de Teses e Dissertações da UFC instname:Universidade Federal do Ceará instacron:UFC
collection NDLTD
language Portuguese
format Others
sources NDLTD
topic Teoria de Carteira
RegressÃo QuantÃlica
Crise Financeira
Portfolio Theory
Quantile Regression
Financial Crisis
CIENCIAS SOCIAIS APLICADAS
spellingShingle Teoria de Carteira
RegressÃo QuantÃlica
Crise Financeira
Portfolio Theory
Quantile Regression
Financial Crisis
CIENCIAS SOCIAIS APLICADAS
Luiz Henrique Carvalho Braid
The financial crisis of 2008 and its impact on the sectors of the brazilian economy: an approach quantile regressions and portfolio theory
description nÃo hà === This study applies traditional techniques in Finance and Econometrics in order to analyze the impacts of Financial Crisis on some sectors of the Brazilian economy based upon market indicators provided by Getulio Vargas Foundation (FGV). Initially we apply the theory proposed by Markowitz to sectoral indicators for eight economic sectors and estimate efficient portfolios in the pre and post-financial crisis periods and we verify that the weights established in the two cases differ dramatically. After that, we estimate quantile regressions for three sectors: Mining, Metallurgic and Textiles are estimated confronting the its returns against the return of the market portfolio and the implicit volatility measured. First of all, the model captures the increase in the risk premium demanded by investors in times of crisis; in spite of the models allow us to infer that there is a change in consumer behavior in times of economic instability in order to make him more risk-tolerant. === O estudo utiliza tÃcnicas tradicionais de FinanÃas e Econometria para analisar os impactos da crise financeira de 2008 sobre alguns setores da economia brasileira, tomando por base os indicadores setoriais de mercado da FundaÃÃo GetÃlio Vargas (FGV). Inicialmente aplica-se a teoria de Markowitz aos indicadores setoriais de mercado de oito setores e estimam-se portfÃlios eficientes no perÃodo prà e pÃscrise financeira, constatando que os pesos atribuÃdos aos dois perÃodos diferem dramaticamente. Posteriormente, regressÃes quantÃlicas para os setores MineraÃÃo, Metalurgia e TÃxtil sÃo estimadas, confrontando o retorno setorial com o retorno da carteira de mercado e a volatilidade implÃcita. AlÃm de captar a elevaÃÃo do prÃmio de risco exigido pelos investidores em perÃodos de crise, os modelos permitem inferir que hà uma mudanÃa de comportamento do consumidor em perÃodos de instabilidade econÃmica no sentido de tornÃ-lo mais tolerante ao risco.
author2 Andrei Gomes Simonassi
author_facet Andrei Gomes Simonassi
Luiz Henrique Carvalho Braid
author Luiz Henrique Carvalho Braid
author_sort Luiz Henrique Carvalho Braid
title The financial crisis of 2008 and its impact on the sectors of the brazilian economy: an approach quantile regressions and portfolio theory
title_short The financial crisis of 2008 and its impact on the sectors of the brazilian economy: an approach quantile regressions and portfolio theory
title_full The financial crisis of 2008 and its impact on the sectors of the brazilian economy: an approach quantile regressions and portfolio theory
title_fullStr The financial crisis of 2008 and its impact on the sectors of the brazilian economy: an approach quantile regressions and portfolio theory
title_full_unstemmed The financial crisis of 2008 and its impact on the sectors of the brazilian economy: an approach quantile regressions and portfolio theory
title_sort financial crisis of 2008 and its impact on the sectors of the brazilian economy: an approach quantile regressions and portfolio theory
publisher Universidade Federal do CearÃ
publishDate 2011
url http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=7852
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