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La ségrégation spatiale selon Schelling : la perversité est ailleurs

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Abstract

In the 1970s, Thomas C. Schelling proposed a model which claimed to show that a high degree of spatial segregation can result from individual preferences which do not in themselves aim to achieve such a degree of collective segregation. A perverse effect seems therefore to occur. However, the present paper demonstrates that this model contains several biases which totally explain the obtained levels of segregation. A real weak individual demand for similar neighbours leads to low social segregation and a strong demand leads to high segregation. The link between the two is linear. The levels of entropy that are globally achieved for a given threshold of individual satisfaction are not at all surprising in relation to the laws of chance and to what each individual actually wishes

Suggested Citation

  • Michel Forsé & Maxime Parodi, 2006. "La ségrégation spatiale selon Schelling : la perversité est ailleurs," Documents de Travail de l'OFCE 2006-05, Observatoire Francais des Conjonctures Economiques (OFCE).
  • Handle: RePEc:fce:doctra:0605
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    File URL: http://www.ofce.sciences-po.fr/pdf/dtravail/WP2006-05.pdf
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    Keywords

    Spatial segregation; Agent-based simulation; Entropy; Dynamic model; Game Theory;

    JEL classification:

    • C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games
    • J15 - Labor and Demographic Economics - - Demographic Economics - - - Economics of Minorities, Races, Indigenous Peoples, and Immigrants; Non-labor Discrimination
    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General

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