Effets des externalités horizontales et verticales de la recherche et développement sur la variété des produits en Tunisie: approche par les flux

Bel Hadj Tarek, Zouhayer Mighri () and Sami Aouadi

Mondes en développement, 2018, vol. n° 183, issue 3, 133-150

Abstract: In this paper, estimates based on Tunisian data show that vertical research and development (R&D) spillovers outweigh horizontal R&D spillovers in terms of exchanged product variety when they are transmitted through import and patent flows. The originality of this paper lies in the analysis of the effects of R&D spillovers on exchanged product variety, distinguishing both between the different propagation channels and the different sources of these products.

Keywords: horizontal spillovers; vertical spillovers; product variety; product differentiation; Tunisia (search for similar items in EconPapers)
Date: 2018
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