Claudio-Quiroga, Gloria; Gil-Alaña, Luis A. - In: Energy strategy reviews 43 (2022), pp. 1-6
under examination, it is obtained that the EU27+UK, Japan and the US present the lowest degrees of integration, while Russia … integration indicate evidence of mean reversion, with values of the differencing parameter constrained between 0 and 1 in all …, China and India display the highest values. Decreasing time trends are only observed for the EU27+UK and US. …