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 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...