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...

O presente artigo estuda os ciclos de negócios brasileiro no período dos anos 1900 até 2012. Como a série trimestral do PIB real só começa em 1980 é construida a série para o período de 1900 a 1979, utilizando um modelo estrutural de series de tempo com disagregação temporal para o...

This paper investigates whether or not multivariate cointegrated process with structural change can describe the Brazilian term structure of interest rate data from 1995 to 2006. In this work the break point and the number of cointegrated vector are assumed to be known. The estimated model has...

Starting from an adapted version of Osler and Chang (1995) methodology, this article empirically evaluates the profitability of investment strategies based on identification of the Head and Shoulders chart pattern in the Brazilian stock market. For that purpose, several investment strategies...

This paper takes a hard look at the experience with official intervention in sovereign debt crises, focusing on debt crises of the 1980s, Russia in 1998, Argentina in 2001, and Greece in 2010. Based on the track record, the authors argue that in situations where countries face a solvency...

This note examines in detail Brazil's export performance over the past 15 years, focusing not only on growth and composition, but also on different performance dimensions, including diversification, sophistication, and firm dynamics. The analysis uses international comparisons to better situate...

Confidence in combining inflation-targeting-cum-flexible-exchange-rate regimes with isolated microprudential regulation as a means to guarantee both macroeconomic and financial stability has been shattered by the scale and synchronization of asset price booms and busts that preceded the current...

Although Brazil has become one of the largest economies in the world, it remains among the most closed economies as measured by the share of exports and imports in gross domestic product. This feature cannot be explained simply by the size of Brazil's economy. Rather, it is due to an economic...

This article investigates the existence of contagion between countries on the basis of an analysis of returns for stock indices over the period 1994 to 2003. The econometrics methodology used is that of multivariate Generalized Autoregressive Conditional Heteroscedasticity (GARCH) family...