This paper surveys the recent body of work in economics on the importance of global value
chains (GVCs) in shaping international trade flows and production patterns. On the empirical …

Trade occurs between firms both across borders and within countries, and most trade
transactions include at least one large firm with many trading partners. This article reviews …

This paper develops a multicountry model of international trade that provides a simple
microfoundation for buyer-seller relationships in trade. We explore a rich data set that …

Mexican manufacturing job loss induced by competition with China increases cocaine
trafficking and violence, particularly in municipalities with transnational criminal …

Exporting abroad is much harder than selling at home, and overcoming hurdles to exporting
takes time. Our goal is to identify specific barriers to exporting and to measure their …

International trade is subject to information incompleteness. Firms must therefore engage in
a costly search process to find business partners. Online platforms can reduce these search …

We develop a dynamic model of international business-to-business transactions in which
sellers and buyers search for each other, with the probability of a match depending on both …

We use detailed data on exporters from Costa Rica, Ecuador and Uruguay as well as on
their buyers to show that: aggregate exports are disproportionally driven by few multi-buyers …

We develop a new framework to study the welfare consequences of preferential trade
agreements (PTAs) under global sourcing, incomplete contracts and endogenous matching …

Aggregate trade flows are composed of transactions between individual buying (importers)
and selling (exporters) firms. The rise of the large literature on heterogeneous firms has …