We study the causal impact of invalidating marginally valid patents during post-grant opposition at the European Patent Office on affected inventors' subsequent patenting. We exploit exogenous variation in invalidation by leveraging the participation of a patent's original examiner in the...

To assess the influence of nonstandard employment for the labor market participation of different demographic groups, we provide detailed descriptions of the development of atypical employment in comparison to standard employment, unemployment, and economic inactivity between 1996 and 2011. In...

This study deals with the impact of the 2015 European Refugee Crisis on the ethnic identity of resident migrants in Germany. To derive plausibly causal estimates, I exploit the quasiexperimental setting in Germany, by which refugees are allocated to different counties by state authorities...