This paper explores the role of immigrant employees for a firm's capability to absorb international knowledge. Using matched employer-employee data from Denmark for the years 1999 to 2009, we are able to show that non-Danish employees contribute significantly to a firm's economic output through...

Die quasi-experimentelle Vignettenstudie untersucht, ob und in welchem Ausmaß unbeteiligte Beobachter bestimmte Formen negativ reziproken Verhaltens am Arbeitsplatz akzeptieren. In einer Online-Befragung sollten die Teilnehmenden verschiedene Szenarien beurteilen - z.B. das Streichen von...

In our paper, we analyze the impact of German employment protection legislation on the firms' employment adjustment patterns. We explore a reform of the Protection Against Dismissal Act (PADA) in 2004 that decreased the employment protection in small establishments and thus generated a...

Jüngst ist die Frage nach der Notwendigkeit einer Regulierung im Taximarkt erneut aufgekommen. Vor allem Apps und internetbasierte Anwendungen, die eine gute Planbarkeit von Fahrten sowie eine unkomplizierte Abrechnung ermöglichen, tragen einen Großteil zu den Veränderungen im Markt bei. Die...

Twin births are often used to instrument for fertility when investigating the impact of family size on labor market outcomes. In this paper we consider two econometric problems both related to the link between fertility treatments and multiple births. The first is the potential for omitted...

Recent attempts to incorporate spatial heterogeneity in minimum-wage employment models have been attacked for using overly simplistic trend controls, and for neglecting the potential impact on employment growth. We investigate whether such considerations call into question our earlier findings...

The question of whether migration can be an equilibrating force in the labour market is an important criterion for an optimal currency area. It is of particular interest currently in the context of high and rising levels of labour market disparities, in particular within the Eurozone where there...

Regarding trademarks, the EU and US regulate comparative advertising differently. One particular matter of significant difference is whether or not competitors are allowed to say they offer an imitation or replica of a trademarked product. In the US, competitors may claim equality of their...