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Are crude oil markets globalized or regionalized? Evidence from WTI and Brent

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  • Huei-Chu Liao
  • Shu-Chuan Lin
  • Ho-Chuan Huang

Abstract

This study applies a novel quantile unit root with structural breaks approach to explore whether the international crude oil markets are better characterized as 'globalized' or 'regionalized'. By using the spreads between WTI and Brent crude oil prices as a benchmark, we find that the spreads contain a unit root in the lower quantiles but display mean reversion behaviour in the upper quantiles. However, instead of focusing on some selected (local) quantiles, the quantile Kolmogorov--Smirnov tests over a range of quantiles suggest that the price differentials are universally mean-reverting and, thus, provide strong support to the 'globalization' view.

Suggested Citation

  • Huei-Chu Liao & Shu-Chuan Lin & Ho-Chuan Huang, 2014. "Are crude oil markets globalized or regionalized? Evidence from WTI and Brent," Applied Economics Letters, Taylor & Francis Journals, vol. 21(4), pages 235-241, March.
    • Handle: RePEc:taf:apeclt:v:21:y:2014:i:4:p:235-241
    DOI: 10.1080/13504851.2013.851766
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    Cited by:

    1. Mastroeni, Loretta & Mazzoccoli, Alessandro & Quaresima, Greta & Vellucci, Pierluigi, 2021. "Decoupling and recoupling in the crude oil price benchmarks: An investigation of similarity patterns," Energy Economics, Elsevier, vol. 94(C).
    2. Cem Berk, 2016. "Indexing Oil from a Financial Point of View: A Comparison between Brent and West Texas Intermediate," International Journal of Energy Economics and Policy, Econjournals, vol. 6(2), pages 152-158.
    3. Guo, Sui & Li, Huajiao & An, Haizhong & Ma, Ning & Sun, Qingru & Feng, Sida & Sun, Guangzhao & Liu, Yanxin, 2024. "Detecting the horizontal/vertical price relationship patterns in the global oil industry chain through network analysis," Energy, Elsevier, vol. 296(C).
    4. Caporin, Massimiliano & Fontini, Fulvio & Talebbeydokhti, Elham, 2019. "Testing persistence of WTI and Brent long-run relationship after the shale oil supply shock," Energy Economics, Elsevier, vol. 79(C), pages 21-31.
    5. Gao, Xin & Li, Bingxin & Liu, Rui, 2023. "The relative pricing of WTI and Brent crude oil futures: Expectations or risk premia?," Journal of Commodity Markets, Elsevier, vol. 30(C).
    6. Niyati Bhanja & Arif Billah Dar & Aviral Kumar Tiwari, 2018. "Do Global Crude Oil Markets Behave as One Great Pool? A Cyclical Analysis," Journal of Business Cycle Research, Springer;Centre for International Research on Economic Tendency Surveys (CIRET), vol. 14(2), pages 219-241, November.
    7. Samih Antoine Azar & Angelic Salha, 2017. "The Bias in the Long Run Relation between the Prices of BRENT and West Texas Intermediate Crude Oils," International Journal of Energy Economics and Policy, Econjournals, vol. 7(1), pages 44-54.
    8. Bravo Caro, José Manuel & Golpe, Antonio A. & Iglesias, Jesús & Vides, José Carlos, 2020. "A new way of measuring the WTI – Brent spread. Globalization, shock persistence and common trends," Energy Economics, Elsevier, vol. 85(C).
    9. An, Sufang & Gao, Xiangyun & An, Haizhong & An, Feng & Sun, Qingru & Liu, Siyao, 2020. "Windowed volatility spillover effects among crude oil prices," Energy, Elsevier, vol. 200(C).
    10. Samuel D. Barrows, 2020. "Did the US Shale Oil Revolution Ruin Oil Industry Stock Market Returns?," International Journal of Energy Economics and Policy, Econjournals, vol. 10(4), pages 1-8.

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