Stephen is currently assistant professor in empirical econometrics at the University of Mannheim. He completed his PhD in 2013 in a joint position at the University of Amsterdam and the VU Amsterdam. He conducted his undergraduate degree at Northwestern University before returning to Europe to pursue his MSc./MPhil degree at the Tinbergen Institute in the Netherlands.

His research interests focus on the fields of dynamic microeconometric methodology, dynamic treatment effects and its applications to topics in crime and labour.

He joined IZA as a Research Affiliate in 2011.



IZA Discussion Paper No. 9038

This paper studies the effects of introducing legal street prostitution zones on both registered and perceived crime. We exploit a unique setting in the Netherlands where legal street prostitution zones were opened in nine cities under different regulation systems. We provide evidence that the opening of these zones was not...

IZA Discussion Paper No. 5424

This paper evaluates a job search assistance program for unemployment insurance recipients. The assignment to the program is dynamic. We provide a discussion on dynamic treatment effects and identification conditions. In the empirical analyses we use administrative data from a unique institutional environment. This allows us to compare different microeconometric...