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A inovação na agricultura brasileira: Uma reflexão a partir da análise dos certificados de proteção de cultivares
Vieira Filho, José Eustáquio Ribeiro; Pinto Vieira, … - 2013
The technological and institutional environment influences the way of doing research and the relationships between its participants. Intellectual property is a strategic issue to build the institutional framework of the new technological regime and therefore the dynamics of innovation in...
Persistent link: https://www.econbiz.de/10010330698
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Modelos GARCH assimétricos com inovações t-Student
Fonseca, Thaís C. O.; Cerqueira, Vinícius S.; Migon, … - 2013
In this work we consider modeling the past volatilities through a Generalized Autoregressive Conditional Heteroskedasticity (GARCH) model using the Bayesian approach. Asymmetries in the shocks are accommodated by smooth transition models for the variance. We discuss problems related to the...
Persistent link: https://www.econbiz.de/10010330802
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Modelos GARCH assimétricos com inovações t-Student
Fonseca, Thaís C. O. da; Cerqueira, Vinícius dos Santos; … - 2013
In this work we consider modeling the past volatilities through a Generalized Autoregressive Conditional Heteroskedasticity (GARCH) model using the Bayesian approach. Asymmetries in the shocks are accommodated by smooth transition models for the variance. We discuss problems related to the...
Persistent link: https://www.econbiz.de/10010230715
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A inovação na agricultura brasileira : uma reflexão a partir da análise dos certificados de proteção de cultivares
Vieira Filho, José Eustáquio Ribeiro; Vieira, Adriana … - 2013
The technological and institutional environment influences the way of doing research and the relationships between its participants. Intellectual property is a strategic issue to build the institutional framework of the new technological regime and therefore the dynamics of innovation in...
Persistent link: https://www.econbiz.de/10010127335
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PRESENÇA DE CICLOS ECONÔMICOS NA PRODUÇÃO, PREÇOS E EXPORTAÇÕES DE CAFÉ NO BRASIL: ABORDAGEM PELA ANÁLISE ESPECTRAL
Fernandes, Elaine Aparecida; Miranda, Romulo J.S.; … - 2008
A cultura cafeeira foi e continua sendo de primordial importância para a economiabrasileira. Além de importante fonte de renda para a economia brasileira, o café temdestacada participação nas receitas cambiais, na transferência de renda entre setores e naformação de capital no setor...
Persistent link: https://www.econbiz.de/10009445218
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Estimando o desalinhamento cambial brasileiro: Um análise de robustez a partir do modelo global com mecanismo de correção de erros
Marçal, Emerson Fernandes - 2013
This paper aims to compare two different methodologies to estimate exchange rate misalignment. The first methodology consists in using multivariate time series techniques and a model with domestic variables. The second methodology consists in Pesaran's Global Vector Error Correction Model with...
Persistent link: https://www.econbiz.de/10010330505
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Estimando o desalinhamento cambial: Metodologia para cálculo de bandas de precisão
Marçal, Emerson Fernandes - 2013
and suggest a bootstrap approach to calculate error bands. The misalignment estimative is based on cointegration …
Persistent link: https://www.econbiz.de/10010330572
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O misterério da taxa de câmbio real chinesa: Algumas razões que podem explicar a diversidade dos resultados
Marçal, Emerson Fernandes - 2012
This paper aims to evaluate what are the main long run determinants of Chinese real exchange rate that have depreciated substantially compared to a basket of currencies. The Chinese government started a process of accumulating foreign reserve in growing speed measured in absolute or relative...
Persistent link: https://www.econbiz.de/10010330917
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Cointegration between spot and futures markets: evidence from live cattle markets and soybean
Abitante, Kleber Giovelli - 2008
live cattle, evidencesof co-integration on contracts with maturity month on March, April,September, October and November of … 2005 were found. As for the BM&Fsoybean future contract, co-integration was detected for contracts withmaturity at April …, May and November, 2005. Co-integration evidencewas identified for the CBOT soybean future with maturity at January …
Persistent link: https://www.econbiz.de/10009446929
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Revisitando a sustentabilidade do endividamento público no Brasil
de Mendonça, Mário Jorge Cardoso; Moreira, Tito … - 2016
and gross displays a sensible reduction. We apply three different cointegration tests in the series of government revenue …
Persistent link: https://www.econbiz.de/10011516700