Time and space matter: how urban transitions create inequality

Francois Gusdorf, Stephane Hallegatte and Alain Lahellec
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Francois Gusdorf: CIRED - centre international de recherche sur l'environnement et le développement - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement - EHESS - École des hautes études en sciences sociales - AgroParisTech - ENPC - École nationale des ponts et chaussées - CNRS - Centre National de la Recherche Scientifique
Alain Lahellec: LMD - Laboratoire de Météorologie Dynamique (UMR 8539) - UPMC - Université Pierre et Marie Curie - Paris 6 - INSU - CNRS - Institut national des sciences de l'Univers - X - École polytechnique - IP Paris - Institut Polytechnique de Paris - ENPC - École nationale des ponts et chaussées - CNRS - Centre National de la Recherche Scientifique - Département des Géosciences - ENS-PSL - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris Sciences et Lettres

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Abstract: To analyze the response of cities to urban policies or transportation shocks, describing a succession of stationary states is not enough, and urban dynamics should be taken into account. To do so, the urban economics model NEDUM is proposed. This model reproduces the evolution of a monocentric city in continous time and captures the interaction between household moves, changes in at sizes, rent levels, and density of housing service supply. NEDUM allows, therefore, for a temporal and spatialized analysis of urban transitions. Applied to climate policies, this model suggests that the implementation of a transportation tax causes a larger welfare loss than can be inferred from traditional models. Moreover, such a tax increases signi cantly inequalities if its implementation is not anticipated enough. According to these results, therefore, smooth and early implementation paths of climate policies should be favored over delayed and aggressive action.

Keywords: City; Housing; Transportation (search for similar items in EconPapers)
Date: 2007-08-07
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Working Paper: Time and space matter: How urban transitions create inequality (2008)
Working Paper: Time and space matter: how urban transitions create inequality (2007)
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