This paper analyses whether complementarity and substitutability of knowledge elements are key determinants of the firm's inventive performance, in addition to the more conventional measures of knowledge stock and diversity. Using patent data from 1968 to 2002 in the semiconductor industry, we...

This paper presents a method by which patent statistics can be used to study the organisation of competencies within firm. We argue that knowledge is heterogeneous because it refers to scientific disciplines and technologies. One must therefore account for how technologies relate to one another...

This paper presents a method by which patent statistics can be used to study the organisation of competencies within firm. We argue that knowledge is heterogeneous because it refers to scientific disciplines and technologies. One must therefore account for how technologies relate to one another...

[fre] Cet article présente une méthode d'analyse statistique permettant d'étudier l'organisation des connaissances de la firme à partir de données de brevets. Nous partons de l'idée que les connaissances sont hétérogènes en ce qu'elles sont liées à des disciplines scientifiques et...