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    Causal flows between oil and forex markets using high-frequency data: Asymmetries from good and bad volatility

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    Date
    2019-09-10
    Author
    Alam, M. S.;
    Ferrer, Roman;
    Shahzad, Syed Jawad Hussain
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    Abstract
    This paper investigates the causal linkages in volatility between crude oil prices and six major bilateral exchange rates against the U.S. dollar in the time-frequency space using high-frequency intraday data. Special attention is paid to the potential asymmetries in the causal effects between oil and forex markets. The wavelet-based Granger causality method proposed by Olayeni (2016) is applied to quantify the causal relations in the time and frequency domains simultaneously. Moreover, the realized semivariance approach of Barndoff-Nielsen et al. (2010) is used to account for possible asymmetries in the transmission of volatility shocks. The empirical results show that the significant causal links between oil prices and exchange rates are mainly concentrated in the long-run and during periods of increased economic and financial uncertainty such as the global financial crisis and the subsequent European sovereign debt crisis. Further, the causal effects from currency markets to the crude oil market are stronger than in the opposite direction, consistent with the forward-looking nature of exchange rates, the role of the U.S. dollar as the key invoicing currency for global oil trading and the expanding financialization of the oil market since the mid-2000s. In addition, significant asymmetries coming from good and bad volatility are found at longer horizons. Specifically, bad volatility seems to dominate good volatility in terms of the importance of transmission of volatility shocks
    Description
    The file attached to this record is the author's final peer reviewed version. The Publisher's final version can be found by following the DOI link.
    Citation : Alam, M.S., Shahzad, S.J.H. and Ferrer, R. (2019) Causal flows between oil and forex markets using high-frequency data: Asymmetries from good and bad volatility. Energy Economics, pp.104513.
    URI
    https://dora.dmu.ac.uk/handle/2086/18517
    DOI
    https://doi.org/10.1016/j.eneco.2019.104513
    Research Institute : Institute for Applied Economics and Social Value (IAESV)
    Peer Reviewed : Yes
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