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The Diamond Model of Social Response within an Agent-Based Approach

100%
Nail P., Sznajd-Weron K.
Acta Physica Polonica A
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2016
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vol. 129
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issue 5
1050-1054
EN
Models of social response concern the identification and delineation of possible responses to social pressure. Most models are based on simple one-dimensional conceptualizations of conformity and its alternatives even though more sophisticated models have been available for a number of years. The diamond model is perhaps the most refined of the two-dimensional formulations. It is particularly useful in building agent-based models of opinion dynamics because it gives clear and explicit operational definitions of basic types of social response. In fact, the diamond model is actually a ready recipe for a microscopic model of opinion dynamics. Moreover, it fits quite well Einstein's simple but no simpler strategy. In this work, we will present the logic of the diamond model as well as its implications for agent-based modeling.
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Linking Consumer Opinions with Reservation Prices in an Agent-Based Model of Innovation Diffusion

81%
Kowalska-Pyzalska A., Ćwik K., Jędrzejewski A., Sznajd-Weron K.
Acta Physica Polonica A
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2016
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vol. 129
|
issue 5
1055-1059
EN
We extend a recently developed agent-based model of innovation diffusion by linking the opinions of potential consumers with their market behavior via the concept of reservation prices. Through a dynamic mechanism that takes into account social influence, the agents in our model can both increase or decrease their product appraisal. Considering complete graph network structures and using mean-field treatment we find that the model can exhibit a plethora of scenarios, observed empirically but not attainable within the classical Bass model. We also show the existence of a critical market price above which the innovation cannot diffuse.
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