This paper investigates the effectiveness of an intervention that was targeted at a specific group of Dutch Social Assistance (SA) recipients with debt problems. With a large share of the income gains of work resumption were transferred to the creditors, these individuals experienced a strong a...

This discussion paper led to an article in <I>Applied Economics</I> (2012). Vol. 44(32), pages 4211-4219.<P> We examine how self-selection of workers into firms depends on the power of the firms' incentive schemes and how it affects the performance of firms that increase the power of the incentive...</p></i>

This discussion paper led to an article in the <I>European Economic Review</I> (2014). Vol. 71(October), pages 1-14.<P> This paper assesses the effects of changes in scoring weights in auctions, using a unique sample of biddings of private Welfare-to-Work (WTW) organizations to reintegrate groups of...</p></i>