This research for this paper was undertaken as part of a project funded by the ESRC (ES/N006135/1) into Structural Transformation, Adaptability and City Economic Evolutions, as part of its Structural Transformations Programme. We are grateful to the ESRC for its support. The full team on the project also includes David Bailey (Aston Business School, UK) and Andy Pike (Centre for Urban and Regional Development Studies, Newcastle University, UK). Their support for this paper is also gratefully acknowledged. We are also indebted to three anonymous referees for their perceptive and constructive comments on an earlier version of the paper: their reports proved very helpful in sharpening and clarifying the paper's aims, arguments and narrative.