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

This article reviews the empirical evidence on firm heterogeneity in international trade. A first
wave of empirical findings from microdata on plants and firms proposed challenges for …

To show how fast Internet affects employment in Africa, we exploit the gradual arrival of
submarine Internet cables on the coast and maps of the terrestrial cable network. Robust …

Using a novel dataset, which merges good-level prices underlying the PPI with the
respondents' balance sheets, we show that liquidity constrained firms increased prices in …

Motivated by empirical evidence I uncover on the dynamics of French firms' exports, I offer a
novel theory of trade frictions. Firms export only into markets where they have a contact …

It is costly to learn about market conditions elsewhere, especially in develo** countries.
This paper examines how such information frictions affect trade. Using data on regional …

Exporting firms often enter foreign markets that are similar to their previous export
destinations. We develop a dynamic model in which a firm's exports in a market may depend …

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 …

We conduct a randomized experiment that generates exogenous variation in the access to
foreign markets for rug producers in Egypt. Combined with detailed survey data, we causally …

This paper develops a novel theory of marketing costs within a trade model with product
differentiation and heterogeneity in firm productivities. A firm enters a market if it is profitable …