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...

Portuguese Abstract: O prémio de risco (PR) é um elemento primordial tanto na determinação da rentabilidade esperada dos ativos, como na determinação do custo de capitais, aspetos tão importantes em finanças empresariais como em avaliação de empresas.O PR histórico é o mais...

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,...

Portuguese Abstract: Este estudo avalia o comportamento de carteiras formadas por ativos do mercado acionário brasileiro ordenados em função de sua volatilidade para investigar a anomalia de baixa volatilidade.Entre janeiro de 2003 e junho 2017, o portfólio de baixa volatilidade apresentou...

This study has the purpose to evaluate the importance of establishing local quotas for the degree of focus of the Bolsa Família Program. With a focus degree in the order of 57%, the gain of the current system of the beneficiaries? selection on the Bolsa Família Program, when contrasted to a...

This paper aims to evaluate how public debt management in Brazil has affected its sustainability in the 1996-2007 period. In 2003 Brazilian public debt management changed the trade off between cost minimization and risk minimization emphasizing the first element. Using a Markov-Switching model...

There is virtually a consensus that the ratio of suicides committed with guns to total suicides is the best way to indirectly measure gun ownership across different locations. However, such a proxy is not accurate for any locality with low population density in view that suicides are rare...

There is virtually a consensus that the ratio of suicides committed with guns to total suicides is the best way to indirectly measure gun ownership across different locations. However, such a proxy is not accurate for any locality with low population density in view that suicides are rare...

This paper aims to evaluate how public debt management in Brazil has affected its sustainability in the 1996-2007 period. In 2003 Brazilian public debt management changed the trade off between cost minimization and risk minimization emphasizing the first element. Using a Markov-Switching model...