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  1. Article ; Online: Information flow dynamics between geopolitical risk and major asset returns.

    Zaghum Umar / Ahmed Bossman / Sun-Yong Choi / Xuan Vinh Vo

    PLoS ONE, Vol 18, Iss 4, p e

    2023  Volume 0284811

    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 ... ...

    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.
    Keywords Medicine ; R ; Science ; Q
    Language English
    Publishing date 2023-01-01T00:00:00Z
    Publisher Public Library of Science (PLoS)
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Correction

    Zaghum Umar / Ahmed Bossman / Sun-Yong Choi / Xuan Vinh Vo

    PLoS ONE, Vol 18, Iss 11, p e

    Information flow dynamics between geopolitical risk and major asset returns.

    2023  Volume 0294959

    Abstract: This corrects the article DOI:10.1371/journal.pone.0284811.]. ...

    Abstract [This corrects the article DOI:10.1371/journal.pone.0284811.].
    Keywords Medicine ; R ; Science ; Q
    Language English
    Publishing date 2023-01-01T00:00:00Z
    Publisher Public Library of Science (PLoS)
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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    Kategorien

    Inter-library loan at ZB MED

    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

  3. Article ; Online: Innovative strategies and corporate profitability

    Son Kien Nguyen / Xuan Vinh Vo / Thi Minh Tuyet Vo

    Heliyon, Vol 6, Iss 4, Pp e03788- (2020)

    the positive resources dependence from political network

    2020  

    Abstract: This research investigates the join effects of political network and innovation strategies on corporate profitability. By using the qualified survey sample of over 2600 firms, located in around 10 provinces of Vietnam, during the 10 year from 2005 to ... ...

    Abstract This research investigates the join effects of political network and innovation strategies on corporate profitability. By using the qualified survey sample of over 2600 firms, located in around 10 provinces of Vietnam, during the 10 year from 2005 to 2015 of UN-WIDER, the results reveal that the political network, estimated from number of political connection and the time of interaction, has significantly mitigated the innovative activities' inefficiency toward firm's performance that it can positively foster the innovative capacity, then encourage more profit margin. However, the study figured out that innovative activities by itself, in the small-medium enterprise, is not good for corporate performance even three different aspects of new products, improvement, or new technology. Indeed, this issue is also the same for political connection as increasing more number of political contacts or time of interaction, the firm's value will be more detrimental.
    Keywords Innovative strategies ; Innovation ; Corporate finance ; Finance ; Financial crisis ; Financial economics ; Science (General) ; Q1-390 ; Social sciences (General) ; H1-99
    Subject code 338
    Language English
    Publishing date 2020-04-01T00:00:00Z
    Publisher Elsevier
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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    Kategorien

    Inter-library loan at ZB MED

    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

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