of the hypotheses raised in this literature. It employs the data of the first wave of the Mannheim Innovation Panel …&D we also used the concept of total innovation expenditures to capture the importance of non R& D innovation activities … which are especially important for small firms. (3) We give reliable estimates on the occurrence of R&D and innovation …

innovation activity might in fact be attributed, at least partly, to heterogeneity in the perception of process innovative …

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