There is no robust empirical support for the effect of financial incentives on the decision towork in self-employment rather than as a wage earner. In the literature, this is seen as apuzzle. We offer a focus on the opportunity cost, i.e. the wages given up as an employee.Information on income...

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 analyse a unique data set that combines reservation wage and actually paid wage for a large sample of Dutch recent higher education graduates. On average, accepted wages are almost 8% higher than reservation wages, but there is no fixed proportionality. We find that the difference between...