Economising, Strategising and the Vertical Boundaries of the Firm

Acknowledgments: We are grateful to Celine Azemar, Ron Davies, Rodolphe Desbordes, Hartmut Egger, Holger Görg, Michael Moore, Ali Naghavi, Peter Neary, Pascalis RaimondosMøller, Ian Wooton and two anonymous referees for useful comments and suggestions. The usual disclaimer applies.