ZEW Discussion Papers

This paper examines empirically the relationship between innovation and market structure within a simultaneous framework at the industry level of ag-gregation. We use a model in which R&D affects both, demand…

This paper analyses the reallocation of labour during the transition period, which is argued not only to ease the transition from a planned to market orientated economy, but also to be fundamental to the…

The rising trends both in drug addiction and crime rates are of major public concern in Germany. Surprisingly, the economic theory of crime seems to ignore the drugs-crime nexus, whereas the criminological…

This paper investigates whether and in what sense the west German wage structure has been ‘rigid’ in the 1990s. To test the hypothesis that a rigid wage structure has been responsible for rising low-skilled…

This paper considers the effect of different firm leaderships on the innovative performance of firms from seven EU countries. We investigate whether owner-led or manager-led firms achieve a larger share of their…

This paper investigates under which conditions firms use fixed-term contracts, subcontracted and freelance work. Using a probit model which accounts for unobserved heterogeneity, we find that positive changes in…

This paper analyzes the relationship between investment in information and communication technology (ICT),non –ICT –investment,labor productivity and workplace reorganization. Firms are assumed to reorganize…

This paper derives a three stage Cournot–oligopoly game for product innovation, expenditure on introducing the product and competition on the product market. Product innovation is assumed to increase consumer…