Exploring global embodied metal flows in international trade based combination of multi-regional input-output analysis and complex network analysis

Xuedong Liang, Xu Yang, Fuhai Yan and Zhi Li

Resources Policy, 2020, vol. 67, issue C

Abstract: Rapid industrialization and urbanization has led to a rapid increase in global embodied metal trading across the globe, and simultaneously the demand to study the complex trade activities among various economies has also increased. Responding to this demand, this paper selected the world multi-regional input-output (MRIO) table in 2009 as the bases for its attempt to explore global embodied metal flows in international trade by a combination of multi-regional input-output analysis and complex network analysis. Then we applied the complex network theory to study the structural characteristics of the global embodied metal flow network (GEMFN). The results show that, firstly, the global metal flow network has obvious small-world nature. One department only needs 2.702 steps to reach any other department in the network. Secondly, there are 10 communities in the network, which is highly correlated with the existing economic organizations. Thirdly, sectors weights among networks are very uneven. Some sectors are extremely important to a national economy, other do not. For example, China's Basic Metals and Fabricated Metal is second to none in terms of scope and intensity of influence. Fourthly, only 0.45% of flows account for 90% of the total embodied metal from a sectoral perspective, while 77.68% are intra-traded within economies from a regional perspective. Finally, some policy suggestions are given according to different economies and sectors.

Keywords: Embodied metal flows; MRIO; Complex network (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (11)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jrpoli:v:67:y:2020:i:c:s0301420719307779

DOI: 10.1016/j.resourpol.2020.101661

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