Firm innovation persistence: a fresh look at the frameworks of analysis

This paper introduces the special issue on innovation persistence. It delineates three complementary theoretical frameworks assessing drivers and implications of innovation persistence: 'knowledge accumulation' approach, the 'success-breeds-success' hypothesis and the concept of sunk costs in R&D activities. It emphasizes how path dependence could be related to innovation persistence. It provides an extensive overview of the main empirical findings of recent papers and suggests a new research agenda about firms' dynamic capabilities and innovation persistence. Finally it highlights a set of issues that deserve further investigation in the future. The contributions to this issue are set out as well.