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...

In this paper, we provide a general model discussing the impact of non-homothetic preferences on the vertical comparative advantage of countries, i.e. the existence of demand-based determinants of the quality content of production and exports. We show that while average income positively impacts...