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Diffusion and growth in an evolving network

Ehrhardt, George and Marsili, Matteo and Vega-Redondo, Fernando (2006) 'Diffusion and growth in an evolving network.' International Journal of Game Theory, 34 (3). pp. 383-397. ISSN 0020-7276

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Abstract

We study a simple model of a population of agents whose interaction network co-evolves with knowledge diffusion and accumulation. Diffusion takes place along the current network and, reciprocally, network formation depends on the knowledge profile. Diffusion makes neighboring agents tend to display similar knowledge levels. On the other hand, similarity in knowledge favors network formation. The cumulative nonlinear effects induced by this interplay produce sharp transitions, equilibrium co-existence, and hysteresis, which sheds some light on why multiplicity of outcomes and segmentation in performance may persist resiliently over time in knowledge-based processes.

Item Type: Article
Uncontrolled Keywords: Network formation; Diffusion; Transition; Hysteresis; Growth; Social norms
Subjects: H Social Sciences > HB Economic Theory
Divisions: Faculty of Social Sciences > Economics, Department of
Depositing User: Jim Jamieson
Date Deposited: 06 Jan 2013 15:33
Last Modified: 06 Jan 2013 15:33
URI: http://repository.essex.ac.uk/id/eprint/4992

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