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 allow global firms (multinational corporations or individual firms active in global networks) to simultaneously reap the benefit of agglomeration economies in OECD countries and of low wages prevailing in countries with an ever better educated labour force like India. Thus, the reduction of employment in some routine tasks in rich countries in a general equilibrium helps sustain and reinforces employment in the core competencies in such countries. That...