An exploration of interactions among 'fuzzy' qualitative concepts that interact to produce either tolerance or violent conflict. Z509 p43-49 System Zoo 3 by Hartmut Bossel.
Based on the Market and Price simulation model in System Zoo 3.
I wrote an explanation of the model which you can find here: https://docs.google.com/document/d/1yRTtZvOOrFiBlK6pkvbpSUv_ajvGMKSAbfthRTBPU-8/edit?usp=sharing