Densité, desserrement, polycentrisme et transformation<br />économique des aires métropolitaines.<br />Interpréter la concentration des activités d'intermédiation dans la<br />zone centrale de la région francilienne.

Ludovic Halbert

Theses

Deconcentration, density, polycentricity and economic change in metropolitan areas.
Interpreting the concentration of producer services in the Ile-de-France region.

Densité, desserrement, polycentrisme et transformation
économique des aires métropolitaines.
Interpréter la concentration des activités d'intermédiation dans la
zone centrale de la région francilienne. : Interpréter la concentration des activités d'intermédiation dans la zone centrale de la région francilienne.

Ludovic Halbert ¹

1 Réseaux, Institutions, Territoires (RIT)

LATTS - Laboratoire Techniques, Territoires et Sociétés

Abstract : Producer services are believed to be leaving central business districts. In the Paris region, deconcentration is rather one of polarisation than dispersal. The twenty main producer services centres shape a growing poly-nuclear pattern. Its reinforcement, especially with the development of outer suburbs poles, induces the fragmentation of a once unified workforce market. Yet the geography of intra-metropolitan economic interactions differs. The study of business calls made by the Ile-de-France firms unravels a polycentric system where concentration in the denser part of the agglomeration is still crucial. The central metropolitan triangle of Paris – La Défense – Boulogne is an informational district that exchanges large amount of internal information flows and integrates infra-regional sub-networks that would hardly be connected otherwise. The Parisian model is one of a hierarchical polycentricity which stresses the importance of proximity in the metropolitan economic system.

Keywords : Ile-de-France. Metropolitan regions producer services workforce market phone calls deconcentration polycentricity density proximity

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Theses

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Humanities and Social Sciences / Geography

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