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 aim at assessing the impact of R&D spillovers on firms' economic performance as measured by productivity growth. The construction of R&D spillovers is based on Jaffe's methodology (1988, 1996) which associates econometrics and data analysis. The main objective of the paper is to...

International R&D activities have grown significantly over the last two decades. Both the number of actors involved, as well as the importance of the technological activity carried out abroad, has considerably increased. We aim to quantify the international generation of knowledge for the case...

This paper summarises the contents of the special issue of the Brussels Economic Review on the economics of knowledge spillovers. The studies of this special issue lead to the following main findings. Knowledge spillovers arise through different channels and they are largely shaped by the...

This paper aims at studying to what extent universities are considered as a main source of innovative ideas by Belgian enterprises. The second European Innovation Survey (CIS2) gives information on interactions between enterprises and the actors of the innovation system. These data are exploited...

This paper presents a critical survey on macro and micro levels studies that evaluate the impact of foreign R&D on domestic productivity growth in industrialized countries. Although the available studies converge towards the conclusion that significant international spillovers take place, we...

Based on European and US patent statistics, this paper is an empirical analysis of R&D activities carried out by foreign MNEs in Belgium over the last two decades. The paper investigates the role of demand-pull and technology-push determinants of the MNE's decision to delocalise its R&D in a...

Using firm level information on the world leading R&D investors, this paper investigates through a system GMM estimation of the investment error correction model, whether younger innovators face more severe or no financing constraints, as opposed to older innovators, and whether this would hold...