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Who’s Who in Global Value Chains? A Weighted Network Approach

João Amador (), Sonia Cabral (), Rossana Mastrandrea () and Franco Ruzzenenti ()
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Rossana Mastrandrea: IMT School for Advanced Studies Lucca
Franco Ruzzenenti: University of Groningen

Open Economies Review, 2018, vol. 29, issue 5, 1039-1059

Abstract: Abstract This paper represents global value chains (GVCs) as weighted networks of foreign value added in exports, which allows for the identification of the specific roles of countries and for the quantification of their relative importance over time. A major structural change occurred in the beginning of the century as GVCs steadily turned into global networks, amid an unprecedented growth of value-added flows and the rise of China as a major player. First-order network metrics highlight the vital but also distinct roles of Germany, the US, China and Japan in the international organisation of production. Germany is very relevant both as a user and as a supplier of foreign inputs, whilst the US acts mostly as a supplier of value added to other countries. Second-order properties of networks shed light on the complex architecture of GVCs, notably in terms of cyclical triangular relationships. Germany’s GVCs mostly root in direct relationships, whilst Japanese ones typically involve more than two countries.

Keywords: International trade; Global value chains; Network analysis; Fragmentation; Input-output tables (search for similar items in EconPapers)
JEL-codes: F14 C67 (search for similar items in EconPapers)
Date: 2018
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