This article analyzed the evolution of the regulatory system in the telecommunications sector in Brazil, incorporating important events that have been taking place since privatization, but have not been fully evaluated. Following the framework developed by Levy and Spiller (1993, 1994, 1996),...

This article verifies the effect of economic variables over the suicide rate between Brazilian states in the period 1981-2006. The econometric results points out the importance of economic variables to explain suicide rate: income, age and poverty have negative impact over suicide, while income...

Using data for the 27 Brazilian states during the period 1980-2009, we found that the media index in an important determinant of the suicide rates. The econometric results suggest that an increase of 1% in the media index increases the suicide rate for young males (age between 15 and 29 years...