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Rapid innovation diffusion in social networks

Abstract:

The diffusion of an innovation can be represented by a process in which agents choose perturbed best responses to what their neighbors are currently doing. Diffusion is said to be fast if the expected waiting time until the innovation spreads widely is bounded above independently of the size of the network. Previous work has identified specific topological properties of networks that guarantee fast diffusion. Here we apply martingale theory to derive topology-free bounds such that diffusio...

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Publication status:
Published

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Publisher:
University of Oxford
Series:
Department of Economics Discussion Paper Series
Publication date:
2012-10-02
Paper number:
626
Keywords:
Pubs id:
1143796
Local pid:
pubs:1143796
Deposit date:
2020-12-15

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