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Are oil prices efficient?

Economic Modelling, 2021
Abstract We investigate whether crude oil markets are weak-form efficient during different economic cycles over multi-scales using multifractal detrended fluctuation analysis. Using crude oil prices from 1996 to 2018, our results for different sub-samples provide evidence that in the shorter horizon, the efficiency of prices tends to improve across ...
Arshad, S.   +4 more
openaire   +2 more sources

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