The World Trade network in 1990.
figureposted on 2015-03-23, 05:18 authored by Athen Ma, Raúl J. Mondragón
(A) The unweighted undirected network which represents trade relationships between the countries. The core has 106 countries. (B) The weighted directed network representing the exchange of wealth between the countries. The 7 countries in core are listed.