In a prolific and illustrious career, the late Gary Becker (1930 - 2014) developed what he would later call "the economic approach to human behaviour". One of the most significant strands of that research was that which focused on human capital, occuping a significant part of his career,...

In this paper we use a large official employer-employee dataset, which includes almost the whole universe of business firms, to document and decompose the rising graduates postgraduates' wage differentials in Portugal. Using a non-parametric matching exercise, we pay particular attention to...