Zarra-Nezhad, M. , Raoofi, A. and Akbarzdeh, M.H. 2016. The Existence of Long Memory Property in OPEC Oil Prices. Asian Journal of Economic Modelling. 4, 3 (Apr. 2016), 142–152. DOI:https://doi.org/10.18488/journal.8/2016.4.3/8.3.142.152.