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The nested structural organization of the worldwide trade multi-layer network
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Alves, Luiz G.A., Mangioni, Giuseppe, Cingolani, Isabella, Rodrigues, Francisco Aparecido, Panzarasa, Pietro and Moreno, Yamir (2019) The nested structural organization of the worldwide trade multi-layer network. Scientific Reports, 9 . 2866. doi:10.1038/s41598-019-39340-w ISSN 2045-2322.
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Official URL: http://dx.doi.org/10.1038/s41598-019-39340-w
Abstract
Nestedness has traditionally been used to detect assembly patterns in meta-communities and networks of interacting species. Attempts have also been made to uncover nested structures in international trade, typically represented as bipartite networks in which connections can be established between countries (exporters or importers) and industries. A bipartite representation of trade, however, inevitably neglects transactions between industries. To fully capture the organization of the global value chain, we draw on the World Input-Output Database and construct a multi-layer network in which the nodes are the countries, the layers are the industries, and links can be established from sellers to buyers within and across industries. We define the buyers' and sellers' participation matrices in which the rows are the countries and the columns are all possible pairs of industries, and then compute nestedness based on buyers' and sellers' involvement in transactions between and within industries. Drawing on appropriate null models that preserve the countries' or layers' degree distributions in the original multi-layer network, we uncover variations of country- and transaction-based nestedness over time, and identify the countries and industries that most contributed to nestedness. We discuss the implications of our findings for the study of the international production network and other real-world systems.
Item Type: | Journal Article | |||||||||||||||||||||||||||
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Subjects: | H Social Sciences > HD Industries. Land use. Labor H Social Sciences > HF Commerce |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Mathematics | |||||||||||||||||||||||||||
SWORD Depositor: | Library Publications Router | |||||||||||||||||||||||||||
Library of Congress Subject Headings (LCSH): | International trade -- Mathematical models, Industries -- Mathematical models | |||||||||||||||||||||||||||
Journal or Publication Title: | Scientific Reports | |||||||||||||||||||||||||||
Publisher: | Nature Publishing Group | |||||||||||||||||||||||||||
ISSN: | 2045-2322 | |||||||||||||||||||||||||||
Official Date: | 27 February 2019 | |||||||||||||||||||||||||||
Dates: |
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Volume: | 9 | |||||||||||||||||||||||||||
Article Number: | 2866 | |||||||||||||||||||||||||||
DOI: | 10.1038/s41598-019-39340-w | |||||||||||||||||||||||||||
Status: | Peer Reviewed | |||||||||||||||||||||||||||
Publication Status: | Published | |||||||||||||||||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||||||||||||||||||||
Date of first compliant deposit: | 9 April 2019 | |||||||||||||||||||||||||||
Date of first compliant Open Access: | 12 April 2019 | |||||||||||||||||||||||||||
RIOXX Funder/Project Grant: |
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