Este artigo analisa, através de dados intradiários, coletados minuto a minuto, o efeito do dia de vencimento de contratos de opções de compra de ações sobre a negociação das ações subjacentes negociadas na Bolsa de Valores de São Paulo. Para tanto, foram usadas as séries de opções...

This paper examines if taking into account changes in the number of producers, or equivalently changes in the product variety space over the business cycle, helps to understand and replicate international business cycle facts. To this end, we develop a two-country model in which the economy is...

This paper examines how regulatory interventions can affect the market risk of electricity utilities and telecom carriers traded in the Brazilian stock market. Our article uses a bivariate Generalized AutoRegressive Conditional Heteroskedasticity (GARCH - BEKK) model to analyze the impact of two...

This paper shows estimates of the optimal level of foreign reserves for Brazil between the first quarter of 2004 and the third trimester of 2012, by applying the new Jeanne e Rancière (2011) framework, using different scenarios. The estimates of the optimal holdings of this asset are calculated...

The home bias is observed in the composition of portfolios of different classes of financial assets. The literature offers conflicting arguments about the rationality of this behavior in the case of the portfolios invested in short-term securities, commonly known as currency deposits. In the...

This paper contributes for an initial study on the empirical determinants of the portfolio allocation of retirement savings in Brazil. To this end, the work makes use of a database with disaggregated data on the allocation profile of employees participating in the closed pension fund of a major...