Morphological similarities between DBM and a microeconomic model of sprawl |
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| Authors: | Geoffrey Caruso Gilles Vuidel Jean Cavailhès Pierre Frankhauser Dominique Peeters Isabelle Thomas |
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| Institution: | 1.Geography and Spatial Planning Research Centre, IPSE,University of Luxembourg,Walferdange,Luxembourg;2.Center for Operations Research and Econometrics (CORE),Université catholique de Louvain,Louvain-la-Neuve,Belgium;3.UMR 6049 ThéMA,Université de Franche-Comté,Besan?on,France;4.UMR 1041 CESAER,Institut National de la Recherche Agronomique (INRA),Dijon,France |
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| Abstract: | 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 functioning
of the land market and thus explicitly connected to urban economic theory. |
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