Bondy and Chvatal [7] introduced a general and unified approach to a variety of graph-theoretic problems. They defined the k-closure Ck(G), where k is a positive integer, of a graph G of order n as the graph obtained from G by recursively joining pairs of nonadjacent vertices a,b satisfying the...

We examine the extent to which education is a main determinant of affluence in Brazil. We focus on workers in the top 1% of the labor earnings distribution. We use university courses data from the Sample Questionnaire of the 2010 Census. Our main conclusion is that while education may be...

Is Brazil facing or likely to face a shortage of specialized workers? This question has been in the national agenda of government, industry and the press in recent years. The problem shall be larger if affecting science & technology careers, as these are usually positively correlated to income...

The purpose of this article is to describe, in a stylized way, the current situation of the legal labour market in Brazil. In other words, the situation of the market integrated by professionals: i) with complete higher education in law and, ii) occupied in jobs demanding this specific type of...