The authors aim at obtaining a simple econometric model that allows to build a confidence interval for the dispersion of the bids made by financial institutions at the Central Bank weekly auctions of short term securities in Brazil. Under competitive conditions it is assumed that the bids'...

The international financial crises of the 1990s rose doubts on the usefulness of sovereign ratings. The present paper has two aims: identify whether sovereign ratings can be predicted using a small set of macroeconomic fundamentals; and test whether sovereign spreads can be predicted by...

The present article intend to verify the presence of speculative rational bubbles, starting from the identification of switching regime of the returns generation process in the brazilian market exchange, BOVESPA, for the Plano Real period (July of 1994 to March of 2004). In order to achieve this...

This study analyzes the effect of the Provisional Measure 281, published at 16/02/2006 and converted in the Law no 11.312, at 27/06/2006, which reduced to zero the income tax of federal bonds achieved by non-residents, over the Brazilian term structure of interest rate. We used the daily...

In this paper, the relationship between macroeconomic fundamentals and asset prices is explored by estimating the impact of macroeconomic announcements in the Brazilian futures market. Using intraday data from October 2008 to January 2011, results show that external macroeconomic announcements...

This paper studies the factors that determine the financial literacy level of the Portuguese individual investors and explores the relation between financial literacy and financial behavior, particularly portfolio diversification. Our results suggest that the average financial literacy level of...

The present article intend to verify the presence of speculative rational bubbles, starting from the identification of switching regime of the returns generation process in the brazilian market exchange, BOVESPA, for the Plano Real period (July of 1994 to March of 2004). In order to achieve this...