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
NY Garment Industry
Uzzi (1996), American Sociological Review 61, 674-698
Uzzi (1997), Administrative Science Quarterly 42, 35-67.
NY Garment Industry 1985-95
Supply Network
BUYER/CONSUMER
BATH
PRODUCTION
NETWORK
Resource
Resource
Resource
Resource
RESOURCE LAYER
NY Garment Industry 1985
4786 Firms
Giant Component 67.5%
Embedded vs Market ties
Persistent Structures
Targeted attack (1994)
Degree Distribution
Betweenness vs. Degree Distribution
Degree Correlation (1990)
Connectivity
Population Dynamics
Population Dynamics
Link and Node Dynamics
Link and Node Dynamics
What next?
• Preferential detatchment?
• Weighted network
• Extended data set
Supported by: European Commission, NEST Pathfinder MMCOMNET Project