Diffusion In Complex Social Networks
AbstractThis paper studies the problem of spreading a product (an idea or a technology) among agents in a social network. An agent obtains the product with a probability that depends on the spreading rate (or degree of contagion) of the product as well as on the behaviour of the agent?s neighbours. This paper shows, using a mean field approach, that there exists a threshold for the spreading rate that shapes the pattern of the product?s diffusion. This threshold, that depends on the network structure and the mechanism of contagion, determines whether the product spreads and becomes persistent or it does not spread and vanishes.
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Bibliographic InfoPaper provided by Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie) in its series Working Papers. Serie AD with number 2004-33.
Length: 28 pages
Date of creation: Sep 2004
Date of revision:
Publication status: Published by Ivie
social networks; diffusion; contagion.;
Other versions of this item:
- C73 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Stochastic and Dynamic Games; Evolutionary Games
This paper has been announced in the following NEP Reports:
- NEP-ALL-2006-02-19 (All new papers)
- NEP-NET-2006-02-19 (Network Economics)
- NEP-SOC-2006-02-19 (Social Norms & Social Capital)
- NEP-TID-2006-02-19 (Technology & Industrial Dynamics)
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