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Agent based model 2: Emergence of social segregation

This lecture introduces and shows the NetLogo Schelling Model
Here we have a NetLogo model of Thomas Schelling’s segregation model. NetLogo is freely downloadable, and I strongly recommend downloading NetLogo and playing for yourself with the same models. The segregation model is based on the population living in a square grid, and it is composed of green and red agents. Now, each of the agents has a preference of living in a neighbourhood with a slight majority of their own kind. Here, we put it at 60%, so the green ones over here are not satisfied because they’re living in an environment dominated by red ones. They’d prefer to move to a region where there are more greens. Let’s see what happens when this model starts running.
We see that they are relocating and that they are clustering.
What emerges here is neighbourhoods that are really homophilous, or completely similar, concerning their colour, whereas if you are aware of the percentage, it’s only a slight majority of their own kind that they prefer. This micro level preference results in a much more complete separation on a macro level. This is typically the emergence of separation due to individual behaviour.
This lecture goes through a simulation of Schelling’s model of segregation demonstrated in software called NetLogo.
After a small quiz, we will explore this model in the browser version of Netlogo.
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