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, 674-698Uzzi (1997), Administrative Science Quarterly 42, 35-67.

NY Garment Industry 1985-95

Supply Network

ResourceResource ResourceResource RESOURCE LAYER

PRODUCTIONNETWORK

BUYER/CONSUMERBATH

NY Garment Industry 19854786 FirmsGiant 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