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Ahamuefula Ephraim OGBONNA, PDS, B.Sc., M.Sc., Ph.D. (Statistics)
Ahamuefula Ephraim OGBONNA, PDS, B.Sc., M.Sc., Ph.D. (Statistics)
Centre for Econometrics and Applied Research, Ibadan, Nigeria
Verified email at cear.org.ng - Homepage
Title
Cited by
Cited by
Year
The return volatility of cryptocurrencies during the COVID-19 pandemic: Assessing the news effect
AA Salisu, AE Ogbonna
Global Finance Journal 54, 100641, 2022
662022
A new unit root test for unemployment hysteresis based on the autoregressive neural network
OOS Yaya, AE Ogbonna, F Furuoka, LA Gil‐Alana
Oxford Bulletin of Economics and Statistics 83 (4), 960-981, 2021
63*2021
Market efficiency and volatility persistence of cryptocurrency during pre- and post-crash periods of Bitcoin: Evidence based on fractional integration
OOS Yaya, AE Ogbonna, R Mudida, N Abu
International Journal of Finance & Economics, 2020
602020
Google trends and the predictability of precious metals
AA Salisu, AE Ogbonna, A Adewuyi
Resources Policy 65, 101542, 2020
512020
How persistent and dynamic inter-dependent are pricing of Bitcoin to other cryptocurrencies before and after 2017/18 crash?
OOS Yaya, AE Ogbonna, OE Olubusoye
Physica A: Statistical Mechanics and its Applications 531, 121732, 2019
47*2019
Stock‐induced Google trends and the predictability of sectoral stock returns
AA Salisu, AE Ogbonna, I Adediran
Journal of Forecasting 40 (2), 327-345, 2021
452021
Geopolitical risk and stock market volatility in emerging markets: A GARCH–MIDAS approach
AA Salisu, AE Ogbonna, L Lasisi, A Olaniran
The North American Journal of Economics and Finance 62, 101755, 2022
442022
Hysteresis of unemployment rates in Africa: new findings from Fourier ADF test
OOS Yaya, AE Ogbonna, R Mudida
Quality & Quantity 53 (6), 2781-2795, 2019
412019
A new index for measuring uncertainty due to the COVID-19 pandemic
AA Salisu, AE Ogbonna, TF Oloko, IA Adediran
Sustainability 13 (6), 3212, 2021
342021
Oil price shocks and inflation rate persistence: A Fractional Cointegration VAR approach
TF Oloko, AE Ogbonna, AA Adedeji, N Lakhani
Economic Analysis and Policy 70, 259-275, 2021
332021
Another look at the energy-growth nexus: New insights from MIDAS regressions
AA Salisu, AE Ogbonna
Energy 174, 69-84, 2019
292019
Do we Experience Day-of-the-week Effects in Returns and Volatility of Cryptocurrency?
OOS Yaya, AE Ogbonna
222019
Oil shocks and volatility of green investments: GARCH-MIDAS analyses
OOS Yaya, AE Ogbonna, XV Vo
Resources Policy 78, 102789, 2022
212022
Energy pricing during the COVID-19 pandemic: Predictive information-based uncertainty indexes with machine learning algorithm
OE Olubusoye, OJ Akintande, OOS Yaya, AE Ogbonna, AF Adenikinju
Intelligent Systems with Applications 12, 200050, 2021
202021
An information‐based index of uncertainty and the predictability of energy prices
OE Olubusoye, AE Ogbonna, OOS Yaya, D Umolo
International Journal of Energy Research, 2021
192021
A moving average heterogeneous autoregressive model for forecasting the realized volatility of the US stock market: Evidence from over a century of data
AA Salisu, R Gupta, AE Ogbonna
International Journal of Finance & Economics 27 (1), 384-400, 2022
172022
A global analysis of the macroeconomic effects of climate change
IA Adediran, KO Isah, AE Ogbonna, SK Badmus
Asian Economics Letters 4 (1), 2023
142023
Fractional cointegration between gold price and inflation rate: Implication for inflation rate persistence
TF Oloko, AE Ogbonna, AA Adedeji, N Lakhani
Resources Policy 74, 102369, 2021
142021
Modelling Cryptocurrency High-Low Prices using Fractional Cointegrating VAR
OOS Yaya, XV Vo, AE Ogbonna, AO Adewuyi
International Journal of Finance & Economics, 2020
142020
Crude oil price–shale oil production nexus: a predictability analysis
SO Olofin, TF Oloko, KO Isah, AE Ogbonna
International Journal of Energy Sector Management 14 (4), 729-744, 2020
142020
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