We develop a new set of country-sector level indicators of Global Value Chains (GVCs) characteristics in terms of average production length, and relative "upstreamness" on a production network, which we argue are better than the existing ones in the literature. We distinguish production...

We study the role of firm heterogeneity and imperfect competition for global production networks and the gains from trade. We develop a quantifiable trade model with two-sided firm heterogeneity, matching frictions, and oligopolistic competition upstream. More productive buyers endogenously...