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...

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...