This study investigates the extent of labour market competition among nativeDutch workers and ethnicminorities, using national survey of the SEO and the Population statistics ofthe CBS. Firstly, the directeffect of immigrants on local labour markets is considered. It is shown thatethnic...

How valuable are cognitive and social abilities for entrepreneurs’ incomes as compared to employees? We answer three questions: (1) To what extent does a composite measure of ability affect an entrepreneur's earnings relative to employees? (2) Do different cognitive abilities (e.g. math...

This paper examines the evolution of the returns to education in Portugal over the 1980s andearly 1990s. The main findings indicate that the returns to education have increased,particularly after joining the European Union in 1986. Since this occurred along with anincrease in the level of...

This paper has resulted in a publication in <I>Labour Economics</I> (2013), 23, 50-56.<P> The paper provides a theoretical foundation for the empirical regularities observed in estimations of wage consequences of overeducation and undereducation. Workers with more education than required for their jobs...</p></i>

The risk of investment in schooling has largely been ignored. We assess thevariance in the rate of return by surveying the international empirical literature from this freshperspective and by simulating risky earnings profiles in alternative options. choosingparameters on basis of the very...

We apply a recently proposed method to disentangle unobserved heterogeneity from risk in returns to education. We replicate the original study on US men and extend to US women, UK men and German men. Most original results are not robust. A college education cannot universally be considered an...