This paper estimates the health returns to education, using data on identical twins. I adopt a twin-differences strategy in order to obtain estimates that are not biased by unobserved family background and genetic traits that may affect both education and health. I further investigate to what...

Harmful algal bIoom species are the cause of important damages to marine living resources and human beings. These marine species are primarily introduced in North-European waters through ballast water, i.e. water trans-ported across the oceans so as to keep a vessel in balance. Port authorities...

In this paper I determine the importance of adjustment costs in employers hiring decisions. Temporary work arrangements offer potential ways to avoid adjustment costs. I estimate employers willingness to pay for the characteristics of these work arrangements. I distinguish regular contracts,...

In this paper, we use quantile regression decomposition methods to analyze the gender gap between men and women who work full time in the Nether- lands. Because the fraction of women working full time in the Netherlands is quite low, sample selection is a serious issue. In addition to shedding...

Published in: Luigino Bruni and Pierluigi Porta (eds.), 'Economics and Happiness. Framing the Analysis', Oxford University Press, 2005.

How valuable is education for entrepreneurs’ performance as compared to employees’? What might explain any differences? And does education affect peoples’ occupational choices accordingly? We answer these questions based on a large panel of US labor force participants. We show that...

We estimate the impact of schooling and capital constraints at the time of startup on the performance of Dutch entrepreneurial ventures, taking into account the potential endogeneity and interdependence of these variables. Instrumental variable estimates indicate that a 1 percentage point...

This paper investigates the impact of parental education on child health outcomes. To identify the causal effect we explore exogenous variation in parental education induced by a schooling reform in 1947, which raised the minimum school leaving age in the UK. Findings based on data from the...