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...

This paper contributes to the understanding of the determinants of country-level comparative advantages in terms of quality. More precisely, while the literature has mainly focused so far on supply-side determinants of such comparative advantages, we investigate both theoretically and...