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...

More than eleven years after the end of hyperinflation in Brazil, domestic bond markets have been unable to lengthen the average maturity of both public and private bonds. This paper shows that the lengthening is theoretically and practically (we analyzed the experiences of Israel, Mexico and...