We analyse the information in the Dictionary of Occupational Titles to characterize the structure of labour demand. Two dimensions, an intellectual factor and a dexterity factor capture most variation in job requirements. Job complexity in relation to Things correlates highly with the dexterity...

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...

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 ability,...

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...

We apply a recently proposed method to disentangle unobserved heterogeneity from risk in returns to education to data for the USA, the UK and Germany. We find that in residual wage variation, uncertainty by far dominates unobserved heterogeneity. The relation between uncertainty and level of...

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...

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...

This study investigates the extent of labour market competition among native Dutch workers and ethnic minorities, using national survey of the SEO and the Population statistics of the CBS. Firstly, the direct effect of immigrants on local labour markets is considered. It is shown that ethnic...

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...