We test the assumption that the relation between sexual activity and wage is nonlinear, considering that the impact of sex on productivity and therefore on wage occurs during a certain interval of times which one cannot perceive if discrimination is not done. In other words, we must use...

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...