Showing 61 - 70 of 158
O objetivo deste trabalho é examinar se a análise técnica agrega valor às decisões de investimentos. Através da elaboração de intervalos de confiança, construídos através da técnica de Bootstrap de inferência amostral, e consistentes com a hipótese nula de eficiência de mercado na...
Persistent link: https://www.econbiz.de/10008520518
The objective of this work is to describe the behavior of the economic cycle in Brazil through Markov processes which can jointly model the slope factor of the yield curve, obtained by the estimation of the Nelson-Siegel Dynamic Model by the Kalman filter and a proxy variable for economic...
Persistent link: https://www.econbiz.de/10008520535
O objetivo do presente trabalho é analisar as características empíricas de uma série de retornos de dados em alta freqüência para um dos ativos mais negociados na Bolsa de Valores de São Paulo. Estamos interessados em modelar a volatilidade condicional destes retornos, testando em...
Persistent link: https://www.econbiz.de/10008520542
Persistent link: https://www.econbiz.de/10008477725
The aim of this paper is to test whether or not there was evidence of contagion across the various financial crises that assailed some countries in the 1990s. Data on sovereign debt bonds for Brazil, Mexico, Russia and Argentina were used to implement the test. The contagion hypothesis is tested...
Persistent link: https://www.econbiz.de/10004979897
Persistent link: https://www.econbiz.de/10011158755
In this article, we test the hypothesis of contagion amongst sectors within the United States' economy during the subprime crisis. The econometric methodology applied here is based on the dynamic conditional correlation model proposed by Engle (2002). Further, we applied several Lagrange...
Persistent link: https://www.econbiz.de/10010740768
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
Persistent link: https://www.econbiz.de/10011129738
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