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test for time-varying long-range dependence in prices and volatility" published in Energy Economics 29, pp. 28-36. The … results have been mostly confirmed. Specifically, we have confirmed that the crude oil markets efficiency could be rejected up … added for stronger validity of the results. The markets returned back to efficiency around 2012 and remained there until …
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This paper analyses the informational efficiency of the WTI crude oil markets using a recently proposed quantitative …
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Collective consumption decisions taken by the members of a household may prove inefficient. The impact on market performance depends on whether household inefficiencies are caused by inefficient net trades with the market or by inefficient distribution of resources within households. Inefficient...
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