Using Qualitative Exchange Values to Improve the Modelling of Social Interactions

This paper illustrates the use of a system of qualitative exchange values to support the modelling of social interactions in artificial societies. The system is based on J. Piaget’s theory of social exchanges and consists of an algebra of exchange values, a social-reasoning mechanism based on that algebra, and the specification of structures for storing and manipulating such values. We use exchange values both as motivational elements and as regulatory elements that help to guarantee the continuity of the social interactions. We argue that this model can improve the modelling of social agents’ interactions and capture more subjective aspects of their social behavior. To elucidate such statement, we use the proposed system to briefly model the political process of lobbying through campaign contributions and draw some conclusions on the dynamics of such scenario.

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