This paper analyses the effects of minimum wages on competition in the German roofing sector. The case is particularly interesting since this sector is faced with a uniform minimum wage despite significant regional disparities in productivity and wages. As a control industry we take the plumbing...

In this paper we report the results of an empirical study on the employment growth effects of a policy intervention, explicitly aimed at increasing placement efficiency of the Federal Employment Agency in Germany. We use the Hartz III reform in the year 2004 as an exogenous intervention that...