The purpose of this paper is to investigate the pattern of knowledge flows as indicated by patent citations. In order to compute the technological proximity, we have followed the methodology developed by Jaffe (1986), where a technological vector is based on the distribution of patents of each...

This paper aims at assessing the magnitude of R&D spillover effects on large international R&D companies’ productivity growth. In particular, we investigate the extent to which R&D spillover effects are intensified by both geographic and technological proximities between spillover generating...

Ce papier propose une étude économétrique sur le phénomène croissant d’oppositions de brevets. Plus spécifiquement, l’étude s’intéresse à l’impact de différents déterminants susceptibles d’influencer l’incidence d’oppositions de brevets déposés par des résidents...

This paper aims at assessing the impact of R&D activities on the number of patents applied by Belgian R&D manufacturing firms in the mid nineties. The paper extends previous work on the R&D-patent relationship by distinguishing different types as well as sources of financing of R&D activities....

This paper aims at proposing an original framework for the mapping of innovation systems. The analytical outline is based on the following paradigm: the innovation process has commonly been accepted as a complex system of interactions between different institutions aimed to achieve specific...