This discussion paper resulted in a publication in the <A HREF="http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=9148929&fileId=S2050124213000209">'Network Science'</A>, 2014, 96(5), 936-948.<P> This paper analyzes the relationship between unexplained racial/ethnic wage differentials on the one hand and social network segregation, as measured by inbreeding homophily, on the other hand. Our...</p></a>

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...

In the labor market, statistical discrimination occurs when employers' beliefs about workers' behavior induce different groups of workers to invest at different rates in their education. Thus, even though groups may be identical ex-ante, the beliefs of the employers are self-fulfilling....

This paper offers a new theory of discrimination in the workplace. We consider a manager who has to assign two tasks to two employees. The manager has superior information about the employees' abilities. We show that besides an equilibrium where the manager does not discriminate, equilibria...

In this paper, we use quantile regression decomposition methods to analyzethe 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 isquite low, sample selection is a serious issue. In addition to shedding...

College education is not only an investment; for many people it also generates consumption benefits. If these benefits are normal goods, then the rich attend college at higher rates than the poor. Furthermore, the marginal poor student is smarter than the marginal rich student. Colleges aiming...

Previous research shows that ethnic minority students perform poorer in school when they are taught by ethnic majority teachers. Why this is the case was unclear. This paper focuses on one important potential explanation: I examine whether ethnic majority teachers grade minority and majority...

This discussion paper resulted in a publication in <A HREF="http://www.dovepress.com/condom-use-risk-perception-and-hiv-knowledge-a-comparison-across-sexes-peer-reviewed-article-HIV">'HIV/AIDS - Research and Palliative Care'</A>, 2013, 5, 283-293.<P> We analyze how HIV-knowledge influences condom use across the sexes. The empirical work is based on a household survey conducted among 1,979 households of a representative group of...</p></a>

Published in <A href="http://onlinelibrary.wiley.com/doi/10.1111/j.1467-9442.2010.01613.x/abstract">The Scandinavian Journal of Economics"</A>, 112(3), 618-39.<P>The perpetual inventory method used for the construction of education data per country leads to systematic measurement error. This paper analyses the effect of this measurement error on GDP regressions. There is a systematic...</p></a>