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Information flow dynamics between geopolitical risk and major asset returnsopen access

Authors
Umar, ZaghumBossman, AhmedChoi, Sun-YongVo, Xuan Vinh
Issue Date
Apr-2023
Publisher
PUBLIC LIBRARY SCIENCE
Citation
PLOS ONE, v.18, no.4
Journal Title
PLOS ONE
Volume
18
Number
4
URI
https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/88329
DOI
10.1371/journal.pone.0284811
ISSN
1932-6203
Abstract
We quantify information flows between geopolitical risk (GPR) and global financial assets such as equity, bonds, and commodities, with a focus on the Russian-Ukrainian conflict. We combine transfer entropy and the I-CEEMDAN framework to measure information flows at multi-term scales. Our empirical results indicate that (i) in the short term, crude oil and Russian equity show opposite responses to GPR; (ii) in the medium and long term, GPR information increases the risk in the financial market; and (iii) the efficiency of the financial asset markets can be confirmed on a long-term scale. These findings have important implications for market participants, such as investors, portfolio managers, and policymakers.
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Choi, Sun Yong
Business Administration (금융·빅데이터학부)
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