Analysis of risk propagation using the world trade network

• URL: http://arxiv.org/abs/2207.04717v1
• Date: Mon, 11 Jul 2022 08:58:23 GMT
• Title: Analysis of risk propagation using the world trade network
• Authors: Sungyong Kim and Jinhyuk Yun
• Abstract summary: We compare a direct trade network to a trade network constructed using the personalized PageRank (PPR) Our research highlights the significance of indirect and long-range relationships, which have often been overlooked.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: An economic system is an exemplar of a complex system in which all agents interact simultaneously. Interactions between countries have generally been studied using the flow of resources across diverse trade networks, in which the degree of dependence between two countries is typically measured based on the trade volume. However, indirect influences may not be immediately apparent. Herein, we compared a direct trade network to a trade network constructed using the personalized PageRank (PPR) encompassing indirect influences. By analyzing the correlation of the gross domestic product (GDP) between countries, we discovered that the PPR trade network has greater explanatory power on the propagation of economic events than direct trade by analyzing the GDP correlation between countries. To further validate our observations, an agent-based model of the spreading economic crisis was implemented for the Russia-Ukraine war of 2022. The model also demonstrates that the PPR explains the actual impact more effectively than the direct trade network. Our research highlights the significance of indirect and long-range relationships, which have often been overlooked

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