1. Freiberg University of Technology; Freiberg Germany
2. University of Münster; Institute for Organisational Economics; Münster Germany
3. KU Leuven; Dept. of Managerial Economics, Strategy and Innovation; Leuven Belgium
4. Centre for R&D Monitoring (ECOOM); Leuven Belgium
5. Centre for European Economic Research (ZEW); Mannheim Germany