Microscopic Dynamics and Macroscopic Structures in a Large-Scale Distributed Supply Network

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Microscopic Dynamics and Macroscopic Structures
in a Large-Scale Distributed Supply Network

• Serguei Saavedra, Janet Efstathiou, FRT (Oxford)
• Brian Uzzi (Northwestern)

EIASM Workshop on Complexity and Management,
Oxford, 19-20 June 2006
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NY Garment Industry
Uzzi (1996), American Sociological Review 61,
674-698 Uzzi (1997), Administrative Science
Quarterly 42, 35-67.
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NY Garment Industry 1985-95
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Supply Network
BUYER/CONSUMER BATH
PRODUCTION NETWORK
Resource
Resource
Resource
Resource
RESOURCE LAYER
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NY Garment Industry 1985
4786 Firms Giant Component 67.5
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Embedded vs Market ties
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Persistent Structures
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Targeted attack (1994)
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Degree Distribution
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Betweenness vs. Degree Distribution
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Degree Correlation (1990)
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Connectivity
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Population Dynamics
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Population Dynamics
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Link and Node Dynamics
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Link and Node Dynamics
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What next?

• Preferential detatchment?
• Weighted network
• Extended data set
• Supported by European Commission, NEST
  Pathfinder MMCOMNET Project