Journal
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
Volume 388, Issue 15-16, Pages 3225-3232Publisher
ELSEVIER
DOI: 10.1016/j.physa.2009.04.007
Keywords
Opinion dynamics; Innovation diffusion; Marketing; Sociophysics
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Funding
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [2008/00383-9]
- Conselho Nacional de Desenvolvimento Cientifico a Tecnologico (CNPq) [550981/2007]
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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. (C) 2009 Elsevier B.V. All rights reserved.
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