structures, including the polycentricity of urban systems at national, regional and metropolitan scale. By using a harmonised … definition of functional urban areas in OECD countries, this paper first provides a sound definition of polycentricity at each … spatial scale, highlighting for each of them the different links with policy. Second, it provides measures of polycentricity …

urban space differs across OECD cities and countries. The prevalent trend is an increasing dispersion of the population …

1981, 1991 and 2001 Censuses. Two hypotheses are tested; namely, that there is increasing polycentricity within each of the … effects of generic reductions in distance deterrence, evidence is found of trends towards greater polycentricity at both these …