Brexit and Canadadvent: An Application of Graphs and Hypergraphs to Recent International Trade Agreements

Michela Chessa, Arnaud Persenda and Dominique Torre
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Arnaud Persenda: Université Côte d'Azur, France

No 2022-35, GREDEG Working Papers from Groupe de REcherche en Droit, Economie, Gestion (GREDEG CNRS), Université Côte d'Azur, France

Abstract: This paper uses a network approach to study the relationship between trade agreements and trade flows. For the first time in the literature, hypergraphs are used to capture the topology of trade agreements, while theusual graphs are used to represent trade fows. For our analysis, we focused on a snapshot of 2017 data. This data did not consider CETA as an agreement already in force (the provisional application began only on September 21). It was also several years before Brexit. An analysis of modularity conducted on both the trade agreements and the trade flows shows an imperfect correspondence between the communities of countries found within the two networks. The results justify Brexit as a way to reconcile the networks of flows and agreements, and the CETA agreement as a confirmation that Canada already belonged to the module of countries including the EU community concerning trade agreements.

Keywords: hypergraphs; trade agreements; networks; Brexit; CETA (search for similar items in EconPapers)
JEL-codes: C69 F10 F14 F15 (search for similar items in EconPapers)
Pages: 33 pages
Date: 2022-09
New Economics Papers: this item is included in nep-int and nep-net
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http://195.220.190.85/GREDEG-WP-2022-35.pdf First version (application/pdf)

Related works:
Journal Article: Brexit and Canadadvent: An application of graphs and hypergraphs to recent international trade agreements (2023)
Working Paper: Brexit and Canadadvent: An application of graphs and hypergraphs to recent international trade agreements (2023)
Working Paper: Brexit and Canadadvent: An application of graphs and hypergraphs to recent international trade agreements (2023)
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