An Opinion Dynamics Model for the Diffusion of Innovations

Details An Opinion Dynamics Model for the Diffusion of Innovations An Opinion Dynamics Model for the Diffusion of Innovations

2008-09-30

arxiv.org/abs/0809.5114v3

Physica A 388 15-16 3225-3232 2009

Physics

Physics and Society

14 pages, 8 figures, revised text, a new section with empirical evidence has been added

Scientific paper

10.1016/j.physa.2009.04.007

We study the dynamics of the adoption of new products by agents with continuous opinions and discrete actions (CODA). The model is such that the refusal in adopting a new idea or product is increasingly weighted by neighbor agents as evidence against the product. Under these rules, we study the distribution of adoption times and the final proportion of adopters in the population. We compare the cases where initial adopters are clustered to the case where they are randomly scattered around the social network and investigate small world effects on the final proportion of adopters. The model predicts a fat tailed distribution for late adopters which is verified by empirical data.

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