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Information flow dynamics between geopolitical risk and major asset returns.
Umar, Zaghum; Bossman, Ahmed; Choi, Sun-Yong; Vo, Xuan Vinh.
Afiliação
  • Umar Z; College of Business, Zayed University, Abu Dhabi, United Arab Emirates.
  • Bossman A; Institute of Business Research, University of Economics Ho Chi Minh City, Ho Chi Minh City, Vietnam.
  • Choi SY; Department of Finance, University of Cape Coast, Cape Coast, Ghana.
  • Vo XV; Department of Financial Mathematics, Gachon University, Seongnam, Republic of Korea.
PLoS One ; 18(4): e0284811, 2023.
Article em En | MEDLINE | ID: mdl-37098028
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.
Assuntos

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Petróleo / Etnicidade Idioma: En Ano de publicação: 2023 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Petróleo / Etnicidade Idioma: En Ano de publicação: 2023 Tipo de documento: Article