Die Arbeitserlaubnis ist das wichtigste Instrument zur Kontrolle des Arbeitsmarktzugangs von ausländischen Immigranten. Die Erteilung einer allgemeinen Arbeitserlaubnis wird - unter Beachtung des Anwerbestopps - normalerweise nur dann vorgenommen, wenn kein Deutscher oder gleichberechtigter...

Temporary agency work and outsourcing to a service contractor are two forms of alternative work arrangements with rather complex legal aspects which firms use for external staffing. The regulatory complexity of temporary agency work can lead to intended or unintended non-compliance when firms...

Employment protection harms early-career employees without benefitting them in later career stages (Leonardi and Pica, 2013). We demonstrate that this pattern can result from employers exploiting na¨ıve present-biased employees. Employers offer a dynamic contract with low early-career wages,...

We analyze the effect of the Öresund Bridge, a combined railway and motorway bridge between Swedish Malmö and the Danish capital Copenhagen, on inventive activity in the region of Malmö. Applying difference-in-difference estimation on individual-level data, our findings suggest that the...

We document the occurrence of process claims in granted U.S. patents over the last century. Using novel data on the type of independent patent claims, we show an increase in the annual share of process claims of about 25 percentage points (from below 10% in 1920). This rise in process intensity...