This paper explores the hypothesis that wage differentials between skill groups across countries are consistent with a demand and supply framework. Using micro data from 15 countries we find that about one third of the variation in relative wages between skill groups across countries is...

This paper proposes a new approach to identify the wage eects of training.The idea is to narrow down the comparison group by only taking into consideration theworkers who wanted to participate in training but did not do so because of some randomevent. The point estimate of the return to training...

Standard economic theory predicts that firms will not invest in general training and will underinvest in specific training. Empirical evidence, however, indicates that firms do invest in general training of their workers. Evidence from laboratory experiments points to less underinvestment in...

This discussion paper led to a publication in <A href="http://www.sciencedirect.com/science/article/pii/S0272775711001427">'Economics of Education Review'</A>, 31(1), 33-44.<p>Policies need not only to be well designed to effectively address market failures, but their parameters also need to be part of agents’ information sets. This is illustrated by government student loans...</p></a>

In a corporatist country, of which the Netherlands is an example, wages should not be distinguished by union membership status, but by the bargaining regime. Four bargaining regimes can be distinguished: (i) company level bargaining, (ii) industry level bargaining, (iii) mandatory extension of...

This discussion paper resulted in an article in <I>Management Science</I>. Volume 59 issue 7, pages 1514-1528.<P> This paper reports on a field experiment conducted to estimate the impact of the share of women in business teams on their performance. Teams consisting of undergraduate students in business...</p></i>

This discussion paper resulted in an article in the <I>Journal of Development Economics</I> (2013). Volume 103, pages 43-51.<P> To raise school attendance, many programs in developing countries eliminate orreduce private contributions to education. This paper documents an unintendednegative effect of such...</p></i>

In an influential study, Mas and Moretti (2009) find that “worker effort is positively related to the productivity of workers who see him, but not workers who do not see him”. They interpret this as evidence that social pressure can reduce free riding. In this paper we report an attempt to...

This discussion paper resulted in an article in <I>Economics of Education Review</I>. Volume 38, pages 51-63.<P> Recent studies for primary and secondary education find positive effects of the share of girls in the classroom on achievement of boys and girls. This study examines whether these results can...</p></i>

Using a discontinuity in the funding scheme, we evaluate the impact of home visitsand child care centers on poor children and mothers in Ecuador. We find thathome visits are beneficial for children's cognitive outcomes and health and for mothers'psychological well-being but reduce mothers' labor...