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COVID-19's Impact on International Trade
Célestin Coquidé1, José Lages1, Leonardo Ermann2,3
1Institut UTINAM, OSU THETA, Université Bourgogne Franche-Comté, CNRS, 25000 Besançon, France.
Entropy (Basel, Switzerland)
|March 25, 2022
Summary
The COVID-19 pandemic significantly altered global product trade, causing major shifts in international trade flows and country/product rankings. Analysis revealed a substantial rewiring of the World Trade Network (WTN) in 2020.
Area of Science:
- Economics
- Network Science
- International Trade
Background:
- The COVID-19 pandemic emerged as a global crisis in 2020.
- Understanding its impact on international trade is crucial for economic stability.
- Traditional import-export analyses may not capture the full complexity of trade network changes.
Purpose of the Study:
- To analyze the effects of the COVID-19 pandemic on international product trade.
- To apply advanced network analysis techniques to the World Trade Network (WTN).
- To identify significant shifts in country and product trade rankings and balances.
Main Methods:
- Utilized the United Nations Comtrade database for trade data from 2018-2020.
- Performed a Google matrix analysis on the multiproduct World Trade Network (WTN).
- Applied PageRank, CheiRank, and reduced Google matrix algorithms to analyze network multiplicity and trade flows.
Main Results:
- Significant changes in country and product rankings and trade balances were observed in 2020 compared to pre-pandemic levels.
- The COVID-19 pandemic induced a major rewiring of international trade flows.
- A new PageRank-CheiRank product trade balance metric revealed significant pandemic-induced perturbations.
Conclusions:
- The COVID-19 pandemic profoundly impacted global trade dynamics.
- Network analysis provides deeper insights into trade flow alterations than traditional methods.
- The study highlights the vulnerability and adaptability of the World Trade Network to global crises.
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