Firm-based approaches to international trade have revolutionized the study of trade politics. Corporate participation in political processes is costly, limiting access to large, productive, well-resourced, and often internationally engaged firms. This implies a pro-trade bias in corporate...

How does trade liberalization affect wages? This is the first paper to consider in theory and data how the impact of final and intermediate input tariff cuts on workers’ wages varies with the global engagement of their firm. Our model predicts that a fall in output tariffs lowers wages at...

This paper analyses the impact of trade liberalization in a model where heterogeneous firms can freely offshore their production. Firms choose whether to produce, and if so whether to sell on the domestic market only or on the export market as well. Simultaneously, they also choose where to...

We introduce search unemployment à la Pissarides into Melitz’ (2003) model of trade with heterogeneous firms. We allow wages to be individually or collectively bargained and analytically solve for the equilibrium. We find that the selection effect of trade influences labor market outcomes....

We develop a theory of multiproduct firms to analyze the effects of globalization on the distributions of firm size, scope, and productivity. Our model explains two puzzles. First, it explains the well-known size-discount puzzle: large firms have lower values of Tobin’s Q than small firms....

We show that the efficient allocation of production capacity can turn a competitive industry and downstream market into an imperfectly competitive one. Even though downstream firms have symmetric production technologies, the downstream industry structure will be symmmetric only if capacity is...