The GVT rooted at Germany’s transport equipment industry (DEU_15) in 2011.

<p>The edge weight threshold is set to 0.019. Different colors of the nodes indicate different countries. The red edges indicate cross-country relationships while the gray edges indicate domestic relationships. The edge width is proportional to the edge weight, i.e., the share of the value-added contribution. The codes of countries and industries can be found in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0126699#pone.0126699.s008" target="_blank">S1</a> and <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0126699#pone.0126699.s009" target="_blank">S2</a> Tables.