Portuguese Abstract: Um dos temas mais discutidos na área de finanças é a forma como os mercados se estruturam informacionalmente, precificando ativos financeiros. Uma das teorias centrais de discussão é a Hipótese de Eficiência dos Mercados (HEM) de Eugene Fama (1970), derivada da teoria...

Portuguese Abstract: O crescimento vigoroso da indústria de Private Equity no mundo gerou questões fundamentais, como por exemplo explicar se as empresas abertas previamente investidas por estes gestores geram retornos reais aos seus acionistas, após o evento do IPO. Pouco se analisou,...

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 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 applies multilevel models to Brazilian's tertiary education assessment data in order to test whether some of the factors pointed out by the literature as relevant to achievement are associated with the performance of last year engineering students in 2011. Brazil is the only country...

This article brings new inputs to debate outsourcing in Brazil, using a new methodology based on administrative records. With this methodology, it is possible to identify 4.02 million outsourced workers, corresponding to 11.7% of total employees in the urban private sector. Moreover, with this...