Showing 1 - 10 of 11
This article aims to test the hypothesis of contagion between the in- dices of nancial markets from the United States to Brazil, Japan and England for the period 2000 to 2009. Time varying copulas were used to capture the impact of Sub-prime crisis in the dependence between mar- kets. The...
Persistent link: https://www.econbiz.de/10009643882
This paper analyses monthly returns of 10 share portfolios negotiated at Bovespa between 1987 and 1997 in order to test the APT model. Macroeconomic factors were created as sources of common variance of these assets. The factors were statistically significant in explaining the relationship...
Persistent link: https://www.econbiz.de/10005531062
This paper investigates the implications of the credit channel of the monetary policy transmission mechanism in the case of Brazil, using a structural FAVAR (SFAVAR) approach. The term structural comes from the estimation strategy, which generates factors that have a clear economic...
Persistent link: https://www.econbiz.de/10011127170
O objetivo deste trabalho é investigar se a relação entre a taxa de câmbio spot e o fluxo de ordens deriva do fato do fl uxo agregar informações a respeito dos fundamentos econômicos dispersos na economia. Para efetuar este teste foi utilizada uma base de dados que engloba todas as...
Persistent link: https://www.econbiz.de/10011129833
Este estudo testa a hipótese de contágio entre setores da economia dos Estados Unidos durante a crise do Subprime. A metodologia econométrica baseia-se em modelos de correlações condicionais dinâmicas e na aplicação de testes LM robustos para testar a presença de quebras estruturais na...
Persistent link: https://www.econbiz.de/10009024110
This paper investigates whether there is evidence of structural change in the Brazilian term structure of interest rates. Multivariate cointegration techniques are used to verify this evidence. Two econometrics models are estimated. The first one is a Vector Autoregressive Model with Error...
Persistent link: https://www.econbiz.de/10009024112
This paper investigates whether there is evidence of structural change in the Brazilian term structure of interest rates. Multivariate cointegration techniques are used to verify this evidence. Two econometrics models are estimated. The rst one is a Vector Autoregressive Model with Error...
Persistent link: https://www.econbiz.de/10011129830
Usando dados intradiários dos ativos mais negociados do BOVESPA, este trabalho considerou dois modelos recentemente desenvolvidos na literatura de estimação e previsão de volatilidade realizada. São eles; Heterogeneous Autorregressive Model of Realized Volatility (HAR-RV), desenvolvido por...
Persistent link: https://www.econbiz.de/10011129835
Este estudo testa a hipótese de contágio entre setores da economia dos Estados Unidos durante a crise do Subprime. A metodologia econométrica baseia-se em modelos de correlações condicionais dinâmicas e na aplicação de testes LM robustos para testar a presença de quebras estruturais na...
Persistent link: https://www.econbiz.de/10011129841
Using intraday data for the most actively traded stocks on the São Paulo Stock Market (BOVESPA) index, this study considers two recently developed models from the literature on the estimation and prediction of realized volatility: the Heterogeneous Autoregressive Model of Realized Volatility...
Persistent link: https://www.econbiz.de/10011129845