How persistent and dynamic inter-dependent are pricing of Bitcoin to other cryptocurrencies before and after 2017/18 crash?[J] PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS 2019(531) Yaya, OlaOluwa S. Ogbonna, Ahamuefula E. Olubusoye, Olusanya E.
The return volatility of cryptocurrencies during the COVID-19 pandemic: Assessing the news effect[J] GLOBAL FINANCE JOURNAL 2022(54) Salisu, Afees A. Ogbonna, Ahamuefula E.
Market efficiency and volatility persistence of cryptocurrency during pre- andpost-crashperiods of Bitcoin: Evidence based on fractional integration[J] INTERNATIONAL JOURNAL OF FINANCE & ECONOMICS 2020(26) Yaya, OlaOluwa S. Ogbonna, Ahamuefula E. Mudida, Robert Abu, Nuruddeen
Modelling cryptocurrencyhigh-lowprices using fractional cointegratingVAR[J] INTERNATIONAL JOURNAL OF FINANCE & ECONOMICS 2020 Yaya, OlaOluwa S. Vo, Xuan Vinh Ogbonna, Ahamuefula E. Adewuyi, Adeolu O.
