Scarcity and city-firm networks - GaWC Research Bulletin - 2005
A = total connections. B = basic materials connections. C = manufacturing connections. D = trade connections E = producer services connections

 Scarcity and city-firm networks - GaWC Research Bulletin - 2005

A = total connections.
B = basic materials connections.
C = manufacturing connections.
D = trade connections
E = producer services connections