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S-GHOST City : Self-Generating Housing, Open Space and Transportation in the city. / Caruso G.

Public ISBD Aucun avis sur cette notice. Titre : S-GHOST City : Self-Generating Housing, Open Space and Transportation in the city. : Annual Meeting of the Association of American Geographers Type de document : acte de colloque Auteurs : Caruso G. ; Jean Cavailhès ; Pierre Frankhauser ; Peeters D ; Thomas I Année de publication : 2008 Langues : Anglais (eng) Tags : Self-organisation  urban growth pattern  neighbourhood amenities  urban economics  agent-based model Résumé : S-GHOST city is a theoretical simulation model aimed at investigating the spatial patterns of urban growth. A gridded (cellular) 2D space is considered, with a CBD located at a crossroad. Households arrive sequentially in the city and choose their location by maximizing a utility function subject to a budget constraint. Households have preference for open-space and for the public goods that are located in their neighbourhood. They bear a cost for commuting to the CBD along the road network. As households migrate into this growing city, agricultural plots are converted to residential use, and the public authorities create a continuous network of roads so as to provide all new households with an access to the CBD. The authorities levy a local tax for compulsory purchasing from landowners the land that is used for roads. Given these simple rules, the city grows according to the individual choice of migrants, leading to a self-organisation of the residential space, the road network and the open-spaces. The range of spatial patterns and network forms that can be obtained from varying the parameters of the model is analysed, as well as the social costs (welfare, total transportation costs) of these anarchic urban developments. Laboratoire : ThéMA Equipe : Mobilités, ville et transports Type : Com avec acte Publication de Théma : Oui S-GHOST City : Self-Generating Housing, Open Space and Transportation in the city. : Annual Meeting of the Association of American Geographers [acte de colloque] / Caruso G. ; Jean Cavailhès ; Pierre Frankhauser ; Peeters D ; Thomas I . - 2008. Langues : Anglais (eng) Tags : Self-organisation  urban growth pattern  neighbourhood amenities  urban economics  agent-based model Résumé : S-GHOST city is a theoretical simulation model aimed at investigating the spatial patterns of urban growth. A gridded (cellular) 2D space is considered, with a CBD located at a crossroad. Households arrive sequentially in the city and choose their location by maximizing a utility function subject to a budget constraint. Households have preference for open-space and for the public goods that are located in their neighbourhood. They bear a cost for commuting to the CBD along the road network. As households migrate into this growing city, agricultural plots are converted to residential use, and the public authorities create a continuous network of roads so as to provide all new households with an access to the CBD. The authorities levy a local tax for compulsory purchasing from landowners the land that is used for roads. Given these simple rules, the city grows according to the individual choice of migrants, leading to a self-organisation of the residential space, the road network and the open-spaces. The range of spatial patterns and network forms that can be obtained from varying the parameters of the model is analysed, as well as the social costs (welfare, total transportation costs) of these anarchic urban developments. Laboratoire : ThéMA Equipe : Mobilités, ville et transports Type : Com avec acte Publication de Théma : Oui