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Is the Internet Search Driving Oil Market? A Revisit through Time-Frequency approaches

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  • Bouoiyour, Jamal
  • Selmi, Refk

Abstract

The present research seeks to address whether internet search drives oil market. For this purpose, we perform two analyses to empirically gauge the relevance of Google search Index as a measure of investors’ attention. Firstly, we test if extracting public moods oriented to crude oil using web contents, can help to predict crude oil. Secondly, we analyze the informational content of three oil events (OPEC cuts, 2008 global financial crisis and Libya war) in terms of their effects on the behavior of the crude oil. To achieve this goal, we intend to decompose the causality between attention and oil price into different time scales and frequencies using frequency domain causality test and nonlinear causality test-based wavelet. To ascertain the robustness of our results, we replicate the same testing procedure using another attention proxy which is the number of tweets. The paper decisively confirms that there is a short-run relationship between attention and crude oil. In addition, we show that world crude oil responding to oil events display sharp differentiation. If OPEC cuts had short- and medium-run causality and Libya war exhibits a short-term causality, the attention to global financial collapse had a longer time interval and a wider scale of influence. The first finding implies that internet search is a very practical way to compute investors’ attention that can help in predicting short-run fluctuations in the oil market. For the second outcome, different shock origins and distinct properties of oil events may be advanced as possible element of explanation that may exhibit different effects on crude oil.

Suggested Citation

  • Bouoiyour, Jamal & Selmi, Refk, 2015. "Is the Internet Search Driving Oil Market? A Revisit through Time-Frequency approaches," MPRA Paper 66214, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:66214
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    References listed on IDEAS

    as
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    More about this item

    Keywords

    Crude oil; oil events; investors’ attention; Google Trends; Twitter; time-frequency approaches.;
    All these keywords.

    JEL classification:

    • E3 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • Q43 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Energy and the Macroeconomy

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