I study the relationship between competition and innovation, focusing on the distinction between product and process … innovations. By considering product innovation, I expand upon earlier research on the topic of the relationship between … competition and innovation, which focused on process innovations. New products allow firms to differentiate themselves from one …

We study the gains from trade in a model with oligopolistic competition, heterogeneous firms and innovation, and … concentration contributes substantially to the gains from trade, mostly via its stimulating effect on innovation. Sizeable gains …