Reference : Morphological similarities between DBM and a microeconomic model of sprawl
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Morphological similarities between DBM and a microeconomic model of sprawl
Caruso, Geoffrey mailto [University of Luxembourg > Faculty of Language and Literature, Humanities, Arts and Education (FLSHASE) > Identités, Politiques, Sociétés, Espaces (IPSE) >]
Vuidel, Gilles [Université de Franche-Comté, Besançon, France]
Cavailhès, Jean [UMR 1041 CESAER, INRA, Dijon, France]
Frankhauser, Pierre [Université de Franche-Comté, Besançon, France]
Peeters, Dominique [CORE, Université catholique de Louvain, Louvain-la-Neuve, Belgium]
Thomas, Isabelle [> >]
Journal of Geographical Systems
Springer Science & Business Media B.V.
Yes (verified by ORBilu)
[en] Urban sprawl ; Open space ; Neighbourhood externalities ; Road network ; Dielectric breakdown ; Fractal
[en] We present a model that simulates the growth of a metropolitan area on a 2D lattice. The model is dynamic and based on microeconomics. Households show preferences for nearby open-spaces and neighbourhood density. They compete on the land market. They travel along a road network to access the CBD. A planner ensures the connectedness and maintenance of the road network. The spatial pattern of houses, green-spaces and road network self-organises, emerging from agents individualistic decisions. We perform several simulations and vary residential preferences. Our results show morphologies and transition phases that are similar to Dieletric Breakdown Models (DBM). Such similarities were observed earlier by other authors, but we show here that it can be deducted from the functionning of the land market and thus explicitly connected to urban economic theory.

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