The Empirical Linkage between Oil Prices and the Stock Returns of Oil Companies

Josef Pavlata, Petr Strejček, Peter Albrecht () and Martin Širůček
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Josef Pavlata: Mendel University in Brno, Czech Republic
Petr Strejček: Mendel University in Brno, Czech Republic
Martin Širůček: Mendel University in Brno, Czech Republic

European Journal of Business Science and Technology, 2021, vol. 7, issue 2, 186-197

Abstract: This paper identifies the relationship between changes in oil prices and the returns of the world's highest-producing oil companies. Oil companies are divided into state-owned (national) and private companies. This paper focused on three different time periods to identify the relationship between changes in oil price and stock market returns by examining the specific backgrounds of each period. The results revealed that during oil's bearish market, it was more beneficial for investors to prefer state-owned companies to optimise their portfolios. The risk analysis focused on systematic risk, and the beta coefficients confirmed that state-owned companies are less sensitive to market shocks. State-owned companies are supported by governments during periods of downtrends in oil prices; therefore, they are less likely to go bankrupt. However, these companies do not have as much flexibility as private companies to cut their costs; therefore, they are more negatively affected by market movements not defined by shocks.

Keywords: oil shock; stock markets; state-owned companies (search for similar items in EconPapers)
JEL-codes: G12 G15 Q02 (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:men:journl:v:7:y:2021:i:2:p:186-197

DOI: 10.11118/ejobsat.2021.016

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