In this paper we analyse the relationship between export and innovation activities of German service sector companies … using data from the 1997 wave of the Mannheim Innovation Panel in the Service Sector. There is a lot of support for the … Schumpeterian hypothesis of export activities being mainly driven by innovation activities. Factor endowment theories are only …

concentration. In contrast, competition enforces innovation, i.e. sales concentration has a negative impact on R&D. …This paper examines empirically the relationship between innovation and market structure within a simultaneous …