Strategic behaviour in Schelling dynamics: Theory and experimental evidence

Ostolaza, Juan Miguel Benito; Brañas–Garza, Pablo; Hernández, Penélope; Sanchís, Juan

doi:10.1016/j.socec.2015.05.007

Cited by 6 publications

(4 citation statements)

References 19 publications

(39 reference statements)

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“…The initial state is stochastic and generated by randomly drawing with uniform probability an initial neighborhood for each agent (satisfying the constraint that the number of agents in each neighborhood be smaller than H). 1 As time continuously passes by, each agent is drawn by chance following a Poisson Process with rate λ. λ is normalized to be 1. Once an agent is considered, she is matched with an empty housing site uniformly picked at random.…”

Section: Methodsmentioning

confidence: 99%

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Forecasts in Schelling's segregation model

Houy

2019

Preprint

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In Schelling's segregation model [9], the successive moves of agents optimizing their own locations lead to a suboptimal segregated distribution of the population, even though all agents have the same preference for mixed neighborhoods. One of the main assumptions underlying this general result of segregation models is that agents rely on comparisons between instantaneous utilities in order to make their moving decisions. On the contrary and certainly more reasonably, we assume in this article that agents forecast later states using a linear extrapolation of past states heuristic in order to make their decisions. We show that for a relatively small set of parameters, considering forecasting agents allows to dramatically reduce sub-optimality in a framework close to [9]'s model.

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Section: Methodsmentioning

confidence: 99%

“…To the best of our knowledge, only [1] consider fully rational agents in a particular segregation model setting. However, their results can hardly be generalized beyond the precise model they use with a ring city.…”

Section: Introductionmentioning

confidence: 99%

Forecasts in Schelling's segregation model

Houy

2019

Preprint

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“…Outlined in a series of papers (Schelling, 1969, 1971a, 1971b) and further elaborated in Schelling (2006), Schelling’s theory provided the foundation for large research in economics (Benito‐Ostolaza et al, 2015; Lee, 2004; Rosser, 2011; Sethi & Somanathan, 2004), sociology (Benard & Willer, 2007; Benenson et al, 2009; Fossett, 2011; Zhang, 2004), and social network analysis (de Marti & Zenou, 2017; Henry et al, 2011; Stadtfeld & Vörös, 2020).…”

Section: Literature Reviewmentioning

confidence: 99%

Segregation with social linkages: Evaluating Schelling’s model with networked individuals

2021

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This paper generalizes the original Schelling model of racial and residential segregation to a context of variable externalities due to social linkages. In a setting in which individuals' utility function is a convex combination of a heuristic function à la Schelling, of the distance to friends, and of the cost of moving, the prediction of the original model gets attenuated: the segregation equilibria are not the unique solutions. While the cost of distance has a monotonic pro-status-quo effect, equivalent to that of models of migration and gravity models, if friends and neighbors are formed following independent processes, the location of friends in space generates an externality that reinforces the initial configuration if the distance to friends is minimal, and if the number of friends is high. The effect on segregation equilibria crucially depends on the role played by network externalities.

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“…Outlined in a series of papers (Schelling, 1969(Schelling, , 1971a(Schelling, , 1971b and further elaborated in Schelling (2006), Schelling's theory provided the foundation for large research in economics (Benito-Ostolaza et al, 2015;Lee, 2004;Rosser, 2011;Sethi & Somanathan, 2004), sociology (Benard & Willer, 2007;Benenson et al, 2009;Fossett, 2011;Zhang, 2004), and social network analysis (de Marti & Zenou, 2017;Henry et al, 2011;Stadtfeld & Vörös, 2020). Schelling's simple mechanism was originally framed as a heuristic process of strategic reasoning, in which people leave their residence whenever they are a too small minority in their neighborhood.…”

Section: Literature Reviewmentioning

confidence: 99%