We develop a new methodology to identify high-end variety exporters in French firm- level data. We show that they do not export to many more countries, but they export to more distant ones. This comes with a greater geographic diversification of their aggregate exports. These facts are explained...

This paper presents a standard endogenous growth framework in which the source of growth is represented by vertical innovation. The crucial assumption we introduce is that there is a positive information gap concerning the discovery of innovation. The aim of reducing the information...