Granger predictability of real oil prices by us money and inflation in Markov-switching regimes

Emrah I. Cevik, Sel Dibooglu, Max Gillman () and Szilard Benk
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Emrah I. Cevik: Tekirdag Namik Kemal University
Sel Dibooglu: Missouri Western State University
Max Gillman: University of Missouri-St. Louis
Szilard Benk: Corvinus University of Budapest

Eurasian Economic Review, 2025, vol. 15, issue 1, No 2, 29-52

Abstract: Abstract This paper presents new evidence that US money supply growth and inflation rates Granger predict real oil prices in a two-regime Markov switching vector autoregression (MS-VAR) model. An asset pricing theory motivates the empirical work by showing how jumps in real oil prices approximately follow jumps in the discount factor to keep constant the competitive return to oil capital. Using monthly data from January 1978 to June 2024, we consider alternative data combinations of US money supply growth rates, US inflation rates, and real oil prices to establish volatility regimes through goodness of fit testing. We set baseline model as that model with the highest likelihood in explaining the real oil price, which combines M2, the CPI less energy prices (CPIE), and real oil prices. Robustness considers two M2 variants combined with the CPIE that have the next highest likelihoods, for two alternative models. In the high volatility regime, results show robust Granger predictability of real oil prices by the baseline M2 and the M2 variants. In the low volatility regime for the baseline model, the CPIE inflation rate Granger predicts real oil prices. The paper contributes these new MS-VAR results that combined with the theory provide nuanced non-conventional support that monetary factors contribute to heightened real oil price episodes in volatile times as well as in calmer periods.

Keywords: US inflation and money supply; real oil prices; Volatility regimes; Present value; Granger-predictability; Impulse responses (search for similar items in EconPapers)
JEL-codes: E31 E52 F31 G10 Q41 (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s40822-024-00305-8

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