The hypothesis that the behavior of firms in adjusting the number of their employees along a business cycle depends on the size of the firms has often been mentioned in the literature. Several authors argue that small and medium sized enterprises are more hesitant in hiring additional employees...

The social science literature has done much to document pervasive racial discrimination in Brazil and there is little doubt that a very dark color is a handicap to social advancement. Nevertheless, very few empirical economic studies have attempted to quantify the impact of ethnic discrimination...