Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/174579
Authors: 
Torreggiani, Sofia
Mangioni, Giuseppe
Puma, Michael J.
Fagiolo, Giorgio
Year of Publication: 
2017
Series/Report no.: 
LEM Working Paper Series No. 2017/29
Abstract: 
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 still poorly documented, especially from a multi-network perspective. In particular, nothing is known about the community structure of food networks, which is key to understanding how major disruptions or "shocks" would impact the global food system. Here we find that the individual layers of this network have densely connected trading groups, a consistent characteristic over the period 2001 to 2011. We also fit econometric models to identify social, economic and geographic factors explaining the probability that any two countries are co-present in the same community. Our estimates indicate that the probability of country pairs belonging to the same food trade community depends more on geopolitical and economic factors - such as geographical proximity and trade agreements co-membership - than on country economic size and/or income. This is in sharp contrast with what we know about bilateral-trade determinants and suggests that food country communities behave in ways that can be very different from their non-food counterparts.
Subjects: 
Food security
international trade
complex networks
communitystructure detection
multi-layer networks
Document Type: 
Working Paper

Files in This Item:
File
Size





Items in EconStor are protected by copyright, with all rights reserved, unless otherwise indicated.