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Doctoral Thesis
DOI
https://doi.org/10.11606/T.12.2004.tde-07092004-230857
Document
Author
Full name
Emerson Fernandes Marçal
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2004
Supervisor
Committee
Pereira, Pedro Luiz Valls (President)
Brito, Ricardo Dias de Oliveira
Hotta, Luiz Koodi
Portugal, Marcelo Savino
Silva, Marcos Eugenio da
Title in Portuguese
Ensaios sobre eficiência, cointegração, componentes comuns, não linearidades na variância nos mercados financeiros: um estudo da estrutura a termo das taxas de juros e da volatilidade de títulos da dívida soberana.
Keywords in Portuguese
cointegração
componentes comuns
contágio
eficiência
não linearidades
volatilidade
Abstract in Portuguese
O objetivo desta tese consiste na elaboração de dois estudos empíricos. No primeiro, estuda-se as propriedades da estrutura a termo das taxas de juros e em particular testa-se a validade da hipótese de expectativas a dados brasileiros e americanos. Os melhores resultados foram obtidos para os dados americanos. No segundo estudo pesquisa-se os determinantes da volatilidade dos títulos de dívida soberana de quatro países – Brasil, Argentina, Rússia e México. Os modelos utilizados são multivariados da família GARCH. Avalia-se em que medida as crises financeiras pelas quais passaram os países citados implicaram em algum tipo de contágio aos demais. Há evidência favorável à hipótese de contágio de muitos dos eventos estudados.
Title in English
Essays on efficiency, cointegration, common factors, nonlinearities in the variance in the financial markets: A study about interest rate term structure and the volatility of sovereign bonds.
Keywords in English
cointegration
common factors
contagion
efficiency
nonlinearities
volatility
Abstract in English
The thesis is composed by two empirical studies. In the first it’s analyzed the proprieties of the interest rate term structure and, in particular, it’s investigated whether or not the expectation hypothesis is a good description of Brazilian and American data. The results are better for American data. In the second study it’s investigated the sovereign debt bonds volatility of four countries – Brazil, Mexico, Russia and Argentine. The volatility was analyzed by the estimation of multivariate GARCH models. The existence of financial crises contagion was investigated and tested. There is some evidence in favor of the contagion hypothesis.
 
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efmarcal_tese.pdf (998.22 Kbytes)
Publishing Date
2004-09-13
 
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