de Bragança, Gabriel G. Fiuza; Pessoa, Marcelo de Sales; … - 2015
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 … authorities in 2012 on the market volatility of both sectors and their covariance. We also adopt the volatility impulse response …