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  3. 蝌蚪网 Journal: Microeconomics
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  5. Behavioral Communities and the Atomic Structure of Networks

蝌蚪网 Journal:
Microeconomics

ISSN 1945-7669 (Print) | ISSN 1945-7685 (Online)

Behavioral Communities and the Atomic Structure of Networks

  • Matthew O. Jackson
  • Evan C. Storms
蝌蚪网 Journal: Microeconomics (Forthcoming)

Abstract

When people coordinate their behaviors with their friends鈥攅.g., choosing whether to adopt a new technology, protest against a government, attend university鈥攄ivisions within a social network can lead to contrasting norms of behavior in different parts of the network. We define a society's atoms to be groups of people who adopt the same behavior in every equilibrium. We show that the atoms at least as coarse as blocks in stochastic block models, and show that using knowledge of the atoms to seed the diffusion of a behavior significantly increases diffusion compared to seeding based on standard community detection algorithms.

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