This article aims to develop a model of competitive intelligence in the case of North African small and medium enterprises (SMEs). Specifically, its objective is to analyse the mediating and moderating effects of innovation and the protection of information assets and the international competitiveness of SMEs based on export intensity. The results show that the relationship between business intelligence and the international competitiveness of SMEs is both mediated and moderated by innovation and the protection of information assets. The originality of this research lies in the design of a competitive intelligence model that integrates business intelligence in terms of the mediation and moderation effects of innovation and the protection of information assets and international competitiveness.

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Dans cet article, les estimations basées sur des données tunisiennes montrent que les externalités verticales de la recherche et développement (R&D) l’emportent sur les externalités horizontales en matière de variété des produits échangés lorsqu’elles sont transmises via les flux d’importations et de brevets. L’originalité de cet article réside dans l’analyse des effets des externalités de la R&D sur la variété des produits échangés en distinguant leurs différents canaux de propagation et leurs différentes sources. Classification JEL : L52, O32, O33

This article tries to analyze the extent of product differentiation in the Tunisian’s context, by relying on an investigation derived at a sufficiently disaggregated level of sectors. In the first section, we tend to expose the relationship between market structure, product differentiation and intra-industrial trade. Then, we reexamine in the second section some operational proxies of products variety that were previously analyzed by the empirical literature. In the third section, we tend to appreciate the strength of products differentiation in the specific case of Tunisia and in 8 different sectors.