In this paper, we concentrate on different aspects of the « spatial digital divide » and seek to answer three questions : Are there still spatial inequalities in the adoption of these technologies ? Is there a so-called “second level” geographical divide characterized by important...

Cet article est dédié à l'analyse des facteurs qui influencent l'usage des Technologies de l'Information et de la Communication TIC) par les firmes industrielles françaises et vise à identifier des sources d'inégalités dans ce processus. Nous testons l'influence de facteurs...

In this paper, we consider the factors influencing the adoption of Information and Communication Technologies (ict) by firms and intend to identify the sources of inequalities in this process. We test the influence of organizational and spatial factors on the intensity of ict use by French...

This paper analyses the modalities according to which a large European university collaborates with firms by exploring its relational portfolio. We address this issue by exploiting a database listing more than 1000 firms having collaborated with the University Louis Pasteur between 1990 and...

This paper aims to demonstrate that the strategic approach of network formation can generate networks that share the main structural properties of most real social networks. We introduce a spatialized variation of the Connections model (Jackson and Wolinski, 1996) in which agents balance the...

In this paper, we present a model of 'collective innovation' built upon the network formation formalism. In our model, agents localized on a circle benefit from knowledge flows from other agents with whom they are directly or indirectly connected. They support costs for direct connections which...

The modelling of networks formation has recently became the object of an increasing interest in economics. One of the important issues raised in this literature is the one of networks efficiency. Nevertheless, for non trivial payoff functions, searching for efficient network structures turns out...

Most of the empirical and theoretical literature aimed at understanding the behavioral patterns that lead to the formation of social networks argue that such networks are clustered because agents like social closure, since it facilitates cooperation enforcement, for instance, or increases match...

The literature on R&D collaboration highlights a broad set of rationales for allying with other organizations. At the same time, it has been reported that there exists a large variety of forms of collaboration. Nevertheless, the relation between the motives to collaborate and the different forms...

In this paper, we present the results of a French empirical study, COMPETE, which covers a sample of 600 SMEs. We notably show that : (i) SMEs which supplement their internal knowledge and resources with external and various knowledge have stronger technological innovation capacities (external...