期刊
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
卷 312, 期 1-2, 页码 300-304出版社
ELSEVIER
DOI: 10.1016/S0378-4371(02)00964-0
关键词
percolation; external field; customers; cinema
In the marketing model of Solomon and Weisbuch, people buy a product only if their neighbours tell them of its quality, and if this quality is higher than their own quality expectations. Now we introduce additional information from the mass media, which is analogous to the ghost field in percolation theory. The mass media shift the percolative phase transition observed in the model, and decrease the time after which the stationary state is reached. (C) 2002 Elsevier Science B.V. All rights reserved.
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