Structural Transformation of Minimal Spanning Trees in World Commodity Market

• Authors: J. Lee , A. Nobi
• Languages of publication: EN

Abstracts

EN

We consider structural change of a world trade-flow network for different commodities from 1995 to 2013. A minimum spanning tree is generated from the trade flow data, and we investigate the hierarchical organization of the tree by changing the hub node. Only a few countries are the hub nodes for many of the commodities. We observed the structural transitions, from a chain-like tree (many countries are hub nodes) to a bi-starlike tree (only two countries are hub nodes). In the bi-starlike tree, China and Germany are the only two hub nodes.

Keywords

EN

89.20.-a; 89.65.Gh; 89.75.-k

Discipline

• 89.20.-a: Interdisciplinary applications of physics
• 89.65.Gh: Economics; econophysics, financial markets, business and management(for economic issues regarding production and use of renewable energy, see 88.05.Lg)
• 89.75.-k: Complex systems(for complex chemical systems, see 82.40.Qt; for biological complexity, see 87.18.-h)

• Journal: Acta Physica Polonica A
• Year: 2018
• Volume: 133
• Issue: 6
• Pages: 1414-1416

Dates

published

2018-06

Contributors

author

J. Lee

• Department of Physics, Inha University, Incheon, Korea

author

A. Nobi

• Department of Computer Science and Telecommunication Engineering, Noakhali Science and Technology University, Sonapur, Bangladesh

Identifiers

DOI

10.12693/APhysPolA.133.1414