We build a model of price differentiation with firm heterogeneity, which allows for imperfect competition and market segmentation in the presence of flexible exchange rates as well as horizontal and vertical differentiation and different tastes of consumers in destination markets. We empirically...

The existence and persistence of large spatial disparities in unemployment within national economies is a central issue in regional economics. Previous empirical analyses have largely disregarded the role of fundamentals. On the contrary in this paper we explore the link between labour...