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International food trade is a growing complement to gaps in domestic food supply and demand, but it is vulnerable to disruptions due to some unforeseen shocks. This paper assembles the international crop trade networks using maize, rice,…

Physics and Society · Physics 2023-06-21 Yin-Ting Zhang , Wei-Xing Zhou

We study the topological properties of the multinetwork of commodity-specific trade relations among world countries over the 1992-2003 period, comparing them with those of the aggregate-trade network, known in the literature as the…

General Finance · Quantitative Finance 2010-06-22 Matteo Barigozzi , Giorgio Fagiolo , Diego Garlaschelli

The global food system has metamorphosed from a loose aggregation of bilateral exchanges into a highly intricate, interdependent Global Food Trade Network (FTN). This comprehensive review synthesizes the extant literature to examine the FTN…

Theoretical Economics · Economics 2026-01-21 Zebiao Li , Xueying Wu , Chengyi Tu

The Russia-Ukraine conflict is a growing concern worldwide and poses serious threats to regional and global food security. Using monthly trade data for maize, rice, and wheat from 2016/1 to 2022/12, this paper constructs three international…

Physics and Society · Physics 2024-03-20 Yin-Ting Zhang , Mu-Yao Li , Wei-Xing Zhou

Achieving international food security requires improved understanding of how international trade networks connect countries around the world through the import-export flows of food commodities. The properties of food trade networks are…

General Finance · Quantitative Finance 2017-11-20 Sofia Torreggiani , Giuseppe Mangioni , Michael J. Puma , Giorgio Fagiolo

The statistical properties including community structure of the international trade networks of all commodities as a whole have been studied extensively. However, the international trade networks of individual commodities often behave…

Physics and Society · Physics 2023-10-31 Jian-An Li , Li Wang , Wen-Jie Xie , Wei-Xing Zhou

We study the community structure of the multi-network of commodity-specific trade relations among world countries over the 1992-2003 period. We compare structures across commodities and time by means of the normalized mutual information…

Physics and Society · Physics 2015-05-19 Matteo Barigozzi , Giorgio Fagiolo , Giuseppe Mangioni

Analyzing available FAO data from 176 countries over 21 years, we observe an increase of complexity in the international trade of maize, rice, soy, and wheat. A larger number of countries play a role as producers or intermediaries, either…

Physics and Society · Physics 2020-01-08 Rebekka Burkholz , Frank Schweitzer

The stability of the global food supply network is critical for ensuring food security. This study constructs an aggregated international food supply network based on the trade data of four staple crops and evaluates its structural…

General Economics · Economics 2025-04-15 Han-Yu Zhu , Yin-Ting Zhang , Wen-Jie Xie , Wei-Xing Zhou

Recent global food trade disruptions have evidenced how local shocks can cascade into global security threats. While the capacity of food systems to absorb spillovers depends heavily on its underlying trade networks, few studies quantify…

Physics and Society · Physics 2026-03-03 Ariadna Fosch , Alberto Aleta , Roger Cremades , Yamir Moreno

Establishing a resilient food trade system is an international consensus on safeguarding food security amid growing disruptions. However, a unified resilience framework has yet to be established, leading to the proliferation of diverse…

Physics and Society · Physics 2025-09-26 Si-Yao Wei , Wei-Xing Zhou

Bilateral trade relationships in the international level between pairs of countries in the world give rise to the notion of the International Trade Network (ITN). This network has attracted the attention of network researchers as it serves…

General Finance · Quantitative Finance 2015-05-13 K. Bhattacharya , G. Mukherjee , S. S. Manna

Pesticides are a kind of agricultural input, whose use can greatly reduce yield loss, regulate plant growth, effectively liberate agricultural productivity, and improve food security. The availability of pesticides in economies all over the…

Physics and Society · Physics 2024-08-08 Jian-An Li , Li Wang , Wen-Jie Xie , Wei-Xing Zhou

The importance of fertilizers to agricultural production is undeniable, and most economies rely on international trade for fertilizer use. The stability of fertilizer trade networks is fundamental to food security. We use three valid…

Physics and Society · Physics 2023-10-31 Mu-Yao Li , Li Wang , Wen-Jie Xie , Wei-Xing Zhou

Theory of complex networks proved successful in the description of a variety of static networks ranging from biology to computer and social sciences and to economics and finance. Here we use network models to describe the evolution of a…

Physics and Society · Physics 2014-08-25 Zhen Zhu , Federica Cerina , Alessandro Chessa , Guido Caldarelli , Massimo Riccaboni

As the global population and the per capita demand for resource intensive diets continues to grow, the corresponding increase in food demand challenges the global food system, enhancing its reliance on trade. Most previous research…

General Economics · Economics 2024-12-09 Xiaopeng Wang , Chengyi Tu , Shuhao Chen , Sicheng Wang , Ying Fan , Samir Suweis , Paolo D'Odorico

This paper begins to explore the determinants of the topological properties of the international - trade network (ITN). We fit bilateral-trade flows using a standard gravity equation to build a "residual" ITN where trade-link weights are…

General Finance · Quantitative Finance 2009-08-18 Giorgio Fagiolo

It is common wisdom that no nation is an isolated economic island. All nations participate in the global economy and are linked together through trade and finance. Here we analyze international trade network (ITN), being the network of…

General Finance · Quantitative Finance 2012-05-22 Agata Fronczak

The international trade network (ITN) has received renewed multidisciplinary interest due to recent advances in network theory. However, it is still unclear whether a network approach conveys additional, nontrivial information with respect…

Physics and Society · Physics 2014-01-14 Tiziano Squartini , Giorgio Fagiolo , Diego Garlaschelli

This paper analyses the world web of mergers and acquisitions (M&As) using a complex network approach. We use data of M&As to build a temporal sequence of binary and weighted-directed networks for the period 1995-2010 and 224 countries…

Physics and Society · Physics 2022-02-03 Marco Dueñas , Rossana Mastrandrea , Matteo Barigozzi , Giorgio Fagiolo
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