World cities are important nodes in the global networks of knowledge-based economies. As a result of the growing complexity of knowledge creation, firms increasingly organise their activities in business networks that operate across different spatial scales. On the global scale, new information...

Contents: Prologue: The global city: enabling economic intermediation and bearing its costs / Saskia Sassen -- 1. Agency and practice in the making of global cities: towards a renewed research agenda / Michael Hoyler, Christof Parnreiter and Allan Watson -- 2. Producer service firms as global...