This paper discusses current challenges, expectations and practices related to an increasingly applied normative concept, namely that of planning to become (or to maintain) a 'polycentric' metropolitan area. Based on findings provided by a group of spatial planners from 12 metropolitan areas...

Knapp W. and Schmitt P. Discourse on 'metropolitan driving forces' and 'uneven development': Germany and the RhineRuhr conurbation, Regional Studies. This paper provides a contribution to the debate on re-scaling and uneven development from the point of view of the governance of spatial...