We investigate the role of a firm's total factor productivity in its decision to import from their affiliates rather than from independent input suppliers. We propose a slightly modified version of the Antràs and Helpman (2004) model. We assume higher fixed costs under outsourcing and a...

This paper takes a new look at the issue of overseas sourcing of services. In framework in which comparative advantage is endogenous to agglomeration economies and factor mobility, the fragmentation of production made possible by the new communication technologies and low transportation costs...

Empirical evidence suggests that trade liberalization increases firm productivity. This paper offers a novel explanation for this finding. I develop a simple general equilibrium model of trade in which trade liberalization leads to outsourcing as firms focus on their core competencies in...