Ejermo, Olof; Kander, Astrid - Centre for Innovation, Research and Competence in the … - 2006
We use a new, comprehensive database covering Swedish industry and service firms 1985-2002, to examine trends in the ratio between patenting and R&D (PR-ratio). There is a fall in PR-ratios in the long run (1985-2002) on the aggregate level and for all sectors. In general low-tech sectors...