Chevalier, Arnaud; Harmon, Colm; Walker, Ian; Zhu, Yu - C.E.P.R. Discussion Papers - 2003
whether education simply reflects the ability of the worker (through a signalling role). In this Paper we describe and …It is clear that education has an important effect on wages paid in the labour market. It is not clear, however …, whether this is due to the role that education plays in raising the productivity of workers (the human capital explanation) or …