This paper follows recent research about the importance, the variety and the development of innovation in the service industries. We study the innovations which have appeared in the fast growing activity of mobile telecommunication services in France.

The purpose of this paper is to examine how the Solow residual relates to innovation at the firm level. We estimate two kinds of relationships. The first relationship explains innovation output from innovation inputs. The second relationship relates TFP growth to innovation output.

L'agglomeration spatiale des firmes est un phenomene tres connu de l'economie geographique. Cet article propose une nouvelle explication a ce phenomene : les entreprises mettent en avant la localisation comme le moyen de signaler la qualite de biens nouveaux. Accepter la concurrence en se...

This paper is an empirical study of the effectiveness of patents against imitators based on French survey data. We use a multinomial ordered logit and regress patent effectiveness on qualitative and quantitative variables. We find that patent costs are not a significant limitation on patent...

L'une des caracteristiques saillantes des mutations en cours dans plusieurs grands secteurs industriels ou de services (dereglementation des marches , globalisation croissante, changements technologiques radicaux) reside d ans la concomitance de deux mouvements apparemment contradictoires : d'un...

Nous etudions les implications dynamiques de l'introduction d'effets de complementarite sur la croissance et les rythmes de progres technique dans un modele de croissance endogene par differenciation verticale. On considere deux biens complementaires dans la consommation, produits a partir de...

Information Technologies (IT) induce many innovations in service industries. Innovations in IT highlight the peculiarities of innovation in service industries compared to manufactured-goods industries. Because innovations often affect competitiveness, service-providers attach a high importance...