This discussion paper led to a publication in <A href="http://onlinelibrary.wiley.com/doi/10.1111/j.1542-4774.2010.01002.x/abstract">'Journal of the European Economic Association'</A>, 9(1), 106-29.<p>This paper investigates the effects of intensified screening of disability insurance benefit applications. A large-scale experiment was setup where in 2 of the 26 Dutch regions case workers...</p></a>

Social surveys are often used to estimate unemployment duration distributions. Survey non-response may then cause a bias. We study this by using a data set that combines survey information of individual workers with administrative records of the same workers. The latter provide information on...

In labor markets with worker and firm heterogeneity, the matching between firms and workers may be assortative, meaning that the most productive workers and firms team up. We investigate this with longitudinal population-wide matched employer-employee data from Portugal. Using panel data...