Network effects in Schelling's model of segregation: new evidences from agent-based simulation

Abstract : It is a shared belief that Thomas Schelling' model of segregation is only weakly affected by the underlying spatial structure, whatever its complexity. Such a conclusion is important from an urban planning perspective as it suggests that only a very restricted range of possible actions, if any, would be able to contribute limiting social segregation, unless individual preferences are significantly modified. Our own simulations show that, using appropriate graph-based spatial structures, one can reveal significant spatial effects and thus provide alternative planning insights. Cliques in networks indeed play a significant role, reinforcing segregation effects in Schelling's model. Introducing a small amount of noise in the model permits us to reveal more precisely this effect, without modifying the global behavior of the initial model. Furthermore, we show how a logistic model describes in a concise but precise way this global behavior.
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Environment and Planning B: Planning and Design, SAGE Publications, 2012, 39 (2), pp.393 - 405. <10.1068/b37068>


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Arnaud Banos. Network effects in Schelling's model of segregation: new evidences from agent-based simulation. Environment and Planning B: Planning and Design, SAGE Publications, 2012, 39 (2), pp.393 - 405. <10.1068/b37068>. <hal-00469727v2>

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