Fajgelbaum, Pablo; Grossman, Gene M.; Helpman, Elhanan - In: Journal of Political Economy 119 (2011) 4, pp. 721-721
We develop a framework for studying trade in horizontally and vertically differentiated products. In our model, consumers with heterogeneous incomes and tastes purchase a homogeneous good and make a discrete choice of quality and variety of a differentiated product. The distribution of...