Models of Segregation
In 1969 and 1971, Schelling published widely cited articles dealing with racial dynamics and what he termed "a general theory of tipping". In these papers he showed that a preference that one's neighbors be of the same color, or even a preference for a mixture "up to some limit", could lead to total segregation, thus arguing that motives, malicious or not, were indistinguishable as to explaining the phenomenon of complete local separation of distinct groups. He used coins on graph paper to demonstrate his theory by placing pennies and nickels in different patterns on the "board" and then moving them one by one if they were in an "unhappy" situation.
Schelling's dynamics has been cited as a way of explaining variations that are found in what are regarded as meaningful differences – gender, age, race, ethnicity, language, sexual preference, and religion. Once a cycle of such change has begun, it may have a self-sustaining momentum. His 1978 book Micromotives and Macrobehaviors expanded on, and generalized, these themes and is standardly cited in the literature of agent-based computational economics.
Read more about this topic: Thomas Schelling
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“Segregation now, segregation tomorrow and segregation forever!”
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