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: 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...

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,...

Brazilian pension funds hold together a portfolio that exceeds R$ 1 trillion. This volume of resources justifies researches that try to understand the management of these portfolios. This paper aims therefore to analyze the allocation of the wealth managed by these funds. As an associated goal,...

Brazilian pension funds hold together a portfolio that exceeds R$ 1 trillion. This volume of resources justifies researches that try to understand the management of these portfolios. This paper aims therefore to analyze the allocation of the wealth managed by these funds. As an associated goal,...

An article about Kihlstrom and Mirman about comparative risk aversion with many goods is critiqued. If "more risk averse" is interpreted as signifying that an individual is less willing to accept a median-preserving spread, then risk aversion cannot be compared across individuals with different...