The paper proposes an original survey on the evolution of the concept of technological knowledge and of its produc tion, as well as of its operational translations in the empirical literature. We move from the former notion of knowledge capital stock, implying a linear approach to the process of...

In the paper we wish to examine if the firms that innovate know a higher growth than the firm that do not. We use diverse waves of CIS for the French industries over the period 1992- 2004 and carry out different models and new econometric methods (quantile regression). Our main findings are that...