Introduction Under complex post-Fordist conditions of urban transformation that increasingly involve an extension and differentiation of activities on an urban-regional scale, defining strategies for urban development becomes a task located at the crossroads of multiple interests, forms of rationality, knowledge, and spatio-temporal horizons. Institutional solutions for governing urban regions are far from easy to find and implement, and local politics is not very well equipped at all to cope with the new complexity of socio-economic and governmental relations that affect governance practices on such a scale.