Ojonugwa Usman

Research output

Working papers

1. Iorember, Paul Terhemba & Usman, Ojonugwa & Jelilov, Gylych, 2019. "Asymmetric Effects of Renewable Energy Consumption, Trade Openness and Economic Growth on Environmental Quality in Nigeria and South Africa," MPRA Paper 96333, University Library of Munich, Germany, revised 2019.
2. Mehmet Balcilar & David Roubaud & Ojonugwa Usman & Mark E. Wohar, 2019. "Testing the Asymmetric Effects of Exchange Rate and Oil Price Pass-Through in BRICS Countries: Does the state of the economy matter?," Working Papers 15-49, Eastern Mediterranean University, Department of Economics.
3. Olanipekun, Ifedolapo O. & Usman, Ojonugwa, 2019. "Modelling Food and Nonfood Production in India: The Effects of Oil Price using Bayer-Hanck Combined Cointegration Approach," MPRA Paper 96336, University Library of Munich, Germany, revised 2019.
4. Mehmet Balcilar & Usman Ojonugwa, 2018. "Exchange rate and oil price pass-through to inflation in BRICS countries: Evidence from the spillover index and rolling-sample analysis," Working Papers 15-45, Eastern Mediterranean University, Department of Economics.
5. Usman, Ojonugwa & Sanusi, Abdussamad, 2016. "Education and Labor Force Participation of Women in North Cyprus: Evidence from Binomial Logit Regression Model," MPRA Paper 77140, University Library of Munich, Germany.
6. Abutu, Usman Ojonugwa & Agbede, Esther Abdul, 2015. "Government Expenditure and Economic Growth in Nigeria: A Cointegration and Error Correction Modelling," MPRA Paper 69676, University Library of Munich, Germany, revised 15 Aug 2015.
7. Abutu, Usman Ojonugwa, 2015. "Does Privatization Increase Firm Performance in Nigeria?: An Empirical Investigation," MPRA Paper 69675, University Library of Munich, Germany.
   • Usman, Ojonugwa & Olorunmolu, Joseph O., 2015. "Does Privatization Increase Firm Performance in Nigeria?: An Empirical Investigation," MPRA Paper 69816, University Library of Munich, Germany, revised 01 Mar 2016.
8. Usman, Ojonugwa & Uwadiegwu, Ihedioha O. & Olorunmolu, Joseph O., 2015. "Debt Financing and Post-Privatization Performance of Firms: The Case of Nigerian Listed Firms," MPRA Paper 74921, University Library of Munich, Germany, revised Jul 2016.
9. Usman, Ojonugwa & Agbede, Esther Abdul, 2015. "Government Expenditure and Economic Growth in Nigeria: A Cointegration and Error Correction Modeling," MPRA Paper 69814, University Library of Munich, Germany, revised 01 Mar 2016.

Articles

1. Usman, Ojonugwa & Ibrahim, Blend & Ozkan, Oktay & Ike, George N., 2025. "Role of fourth industrial revolution on dirty and clean energy under bearish, neutral and bullish market conditions: A quantile-on-quantile Granger causality approach," Energy, Elsevier, vol. 322(C).
2. George N. Ike & Ojonugwa Usman & Cihat Köksal, 2025. "Oil price movements and agricultural production from heterogeneous sub‐sectors: Analysing the Dutch disease in an African resource‐rich economy," Natural Resources Forum, Blackwell Publishing, vol. 49(1), pages 6-28, February.
3. Mehmet Balcilar & Ojonugwa Usman & Oktay Özkan, 2024. "Tourism development and U.S energy security risks: a KRLS machine learning approach," Current Issues in Tourism, Taylor & Francis Journals, vol. 27(1), pages 37-44, January.
4. I. Bruce Iormom & Ojonugwa Usman & N. Bitrus Bature & J. Likita Ogba, 2024. "Modelling asymmetries among consumer price index, currency price, gross domestic output and aggregate import demand in an emerging economy: the case of Nigeria," SN Business & Economics, Springer, vol. 4(3), pages 1-27, March.
5. Mehmet Balcilar & Ojonugwa Usman & Mark Wohar & David Roubaud & Hasan Gungor, 2024. "Global liquidity effect of quantitative easing on emerging markets," Empirical Economics, Springer, vol. 67(6), pages 2449-2461, December.
6. Mehmet Balcilar & Ojonugwa Usman & Busra Agan, 2024. "On the connectedness of commodity markets: A critical and selective survey of empirical studies and bibliometric analysis," Journal of Economic Surveys, Wiley Blackwell, vol. 38(1), pages 97-136, February.
7. Usman, Ojonugwa & Ozkan, Oktay & Koy, Ayben & Adebayo, Tomiwa Sunday, 2024. "Energy-related uncertainty shocks and inflation dynamics in the U.S: A multivariate quantile-on-quantile regression approach," Structural Change and Economic Dynamics, Elsevier, vol. 71(C), pages 235-247.
8. Ugur Korkut Pata & Ojonugwa Usman & Godwin Olasehinde-Williams & Oktay Ozkan, 2024. "Stock Returns, Crude Oil and Gold Prices in Turkey: Evidence from Rolling Window-Based Nonparametric Quantile Causality Test," Asia-Pacific Financial Markets, Springer;Japanese Association of Financial Economics and Engineering, vol. 31(3), pages 779-797, September.
9. Ersin, Özgür Ömer & Ustabaş, Ayfer & Usman, Ojonugwa, 2024. "The role of environmental innovation on ecological footprint in nations with high technology exports concentrations in international trade," Technological Forecasting and Social Change, Elsevier, vol. 208(C).
10. Balcilar, Mehmet & Usman, Ojonugwa & Duman, Gazi Murat, 2024. "Nonlinear network connectedness: Assessing financial risk transmission in MENA and influence of external financial conditions," Emerging Markets Review, Elsevier, vol. 62(C).
11. Ozkan, Oktay & Sunday Adebayo, Tomiwa & Usman, Ojonugwa, 2024. "Dynamic connectedness of clean energy markets, green markets, and sustainable markets: The role of climate policy uncertainty," Energy, Elsevier, vol. 303(C).
12. Usman, Ojonugwa & Iorember, Paul Terhemba & Ozkan, Oktay & Alola, Andrew Adewale, 2024. "Dampening energy security-related uncertainties in the United States: The role of green energy-technology investment and operation of transnational corporations," Energy, Elsevier, vol. 289(C).
13. Andrew Adewale Alola & Oktay Özkan & Ojonugwa Usman, 2023. "Role of Non-Renewable Energy Efficiency and Renewable Energy in Driving Environmental Sustainability in India: Evidence from the Load Capacity Factor Hypothesis," Energies, MDPI, vol. 16(6), pages 1-16, March.
14. Ozkan, Oktay & Haruna, Roselyn Afor & ALOLA, Andrew Adewale & Ghardallou, Wafa & Usman, Ojonugwa, 2023. "Investigating the nexus between economic complexity and energy-related environmental risks in the USA: Empirical evidence from a novel multivariate quantile-on-quantile regression," Structural Change and Economic Dynamics, Elsevier, vol. 65(C), pages 382-392.
15. Obadiah Jonathan Gimba & Abdulkareem Alhassan & Huseyin Ozdeser & Wafa Ghardallou & Mehdi Seraj & Ojonugwa Usman, 2023. "Towards low carbon and sustainable environment: does income inequality mitigate ecological footprints in Sub-Saharan Africa?," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 25(9), pages 10425-10445, September.
16. Balcilar, Mehmet & Usman, Ojonugwa & Ike, George N., 2023. "Operational behaviours of multinational corporations, renewable energy transition, and environmental sustainability in Africa: Does the level of natural resource rents matter?," Resources Policy, Elsevier, vol. 81(C).
17. Ojonugwa Usman & Andrew Adewale Alola, 2023. "How do environmental taxes influence the effect of tourism on environmental performance? Evidence from EU countries," Current Issues in Tourism, Taylor & Francis Journals, vol. 26(24), pages 4034-4051, December.
18. Uju Violet Alola & Ojonugwa Usman & Andrew Adewale Alola, 2023. "Is pass-through of the exchange rate to restaurant and hotel prices asymmetric in the US? Role of monetary policy uncertainty," Financial Innovation, Springer;Southwestern University of Finance and Economics, vol. 9(1), pages 1-19, December.
19. Mehmet Balcilar & Ojonugwa Usman & George N. Ike, 2023. "Investing green for sustainable development without ditching economic growth," Sustainable Development, John Wiley & Sons, Ltd., vol. 31(2), pages 728-743, April.
20. Nwani, Chinazaekpere & Usman, Ojonugwa & Okere, Kingsley Ikechukwu & Bekun, Festus Victor, 2023. "Technological pathways to decarbonisation and the role of renewable energy: A study of European countries using consumption-based metrics," Resources Policy, Elsevier, vol. 83(C).
21. Alola, Andrew Adewale & Özkan, Oktay & Usman, Ojonugwa, 2023. "Examining crude oil price outlook amidst substitute energy price and household energy expenditure in the USA: A novel nonparametric multivariate QQR approach," Energy Economics, Elsevier, vol. 120(C).
22. Rasheed O. Alao & Abdulkareem Alhassan & Saheed Alao & Ifedolapo O. Olanipekun & Godwin O. Olasehinde-Williams & Ojonugwa Usman, 2023. "Symmetric and asymmetric GARCH estimations of the impact of oil price uncertainty on output growth: evidence from the G7," Letters in Spatial and Resource Sciences, Springer, vol. 16(1), pages 1-14, December.
23. Usman, Ojonugwa & Alola, Andrew Adewale & Akadiri, Seyi Saint, 2022. "Effects of domestic material consumption, renewable energy, and financial development on environmental sustainability in the EU-28: Evidence from a GMM panel-VAR," Renewable Energy, Elsevier, vol. 184(C), pages 239-251.
24. Ojonugwa Usman & Andrew Adewale Alola & George Ike, 2022. "Inbound tourism demand elasticities of MENA countries: the role of internal and external conflicts," International Journal of Emerging Markets, Emerald Group Publishing Limited, vol. 18(10), pages 4690-4706, February.
25. Paul Terhemba Iorember & Solomon Gbaka & Gylych Jelilov & Nargiza Alymkulova & Ojonugwa Usman, 2022. "Impact of international trade, energy consumption and income on environmental degradation in Africa's OPEC member countries," African Development Review, African Development Bank, vol. 34(2), pages 175-187, June.
26. Ojonugwa Usman & Paul Terhemba Iorember & Ilhan Ozturk & Festus Victor Bekun, 2022. "Examining the Interaction Effect of Control of Corruption and Income Level on Environmental Quality in Africa," Sustainability, MDPI, vol. 14(18), pages 1-15, September.
27. Abdulkadir Abdulrashid Rafindadi & Isah Buhari Aliyu & Ojonugwa Usman, 2022. "Revisiting the electricity consumption-led growth hypothesis: is the rule defied in France?," Journal of Economic Structures, Springer;Pan-Pacific Association of Input-Output Studies (PAPAIOS), vol. 11(1), pages 1-23, December.
28. Ojonugwa Usman & Andrew Adewale Alola & George N. Ike, 2021. "Modelling the effect of energy consumption on different environmental indicators in the United States: The role of financial development and renewable energy innovations," Natural Resources Forum, Blackwell Publishing, vol. 45(4), pages 441-463, November.
29. Andrew Adewale Alola & Seyi Saint Akadiri & Ojonugwa Usman, 2021. "Domestic material consumption and greenhouse gas emissions in the EU‐28 countries: Implications for environmental sustainability targets," Sustainable Development, John Wiley & Sons, Ltd., vol. 29(2), pages 388-397, March.
30. Balcilar, Mehmet & Usman, Ojonugwa, 2021. "Exchange rate and oil price pass-through in the BRICS countries: Evidence from the spillover index and rolling-sample analysis," Energy, Elsevier, vol. 229(C).
31. Balcilar, Mehmet & Usman, Ojonugwa & Gungor, Hasan & Roubaud, David & Wohar, Mark E., 2021. "Role of global, regional, and advanced market economic policy uncertainty on bond spreads in emerging markets," Economic Modelling, Elsevier, vol. 102(C).
32. Balcilar, Mehmet & Roubaud, David & Usman, Ojonugwa & Wohar, Mark E., 2021. "Moving out of the linear rut: A period-specific and regime-dependent exchange rate and oil price pass-through in the BRICS countries," Energy Economics, Elsevier, vol. 98(C).
33. Mehmet Balcilar & David Roubaud & Ojonugwa Usman & Mark E. Wohar, 2021. "Testing the asymmetric effects of exchange rate pass‐through in BRICS countries: Does the state of the economy matter?," The World Economy, Wiley Blackwell, vol. 44(1), pages 188-233, January.
34. Abdulkadir Abdulrashid Rafindadi & Ojonugwa Usman, 2021. "Toward sustainable electricity consumption in Brazil: the role of economic growth, globalization and ecological footprint using a nonlinear ARDL approach," Journal of Environmental Planning and Management, Taylor & Francis Journals, vol. 64(5), pages 905-929, April.
35. Ojonugwa Usman & Osama Elsalih & Osama Koshadh, 2020. "Environmental performance and tourism development in EU-28 Countries: the role of institutional quality," Current Issues in Tourism, Taylor & Francis Journals, vol. 23(17), pages 2103-2108, September.
36. Usman, Ojonugwa & Alola, Andrew Adewale & Sarkodie, Samuel Asumadu, 2020. "Assessment of the role of renewable energy consumption and trade policy on environmental degradation using innovation accounting: Evidence from the US," Renewable Energy, Elsevier, vol. 150(C), pages 266-277.
37. Mehmet BALCILAR & Ojonugwa USMAN & Muhammad Sani MUSA, 2020. "The Long-Run and Short-Run Exchange Rate Pass-Through during the Period of Economic Reforms in Nigeria: Is it Complete or Incomplete?," Journal for Economic Forecasting, Institute for Economic Forecasting, vol. 0(1), pages 151-172, March.
38. Mehmet Balcilar & Ojonugwa Usman & Esther Abdul Agbede, 2019. "Revisiting the Exchange Rate Pass‐Through to Inflation in Africa’s Two Largest Economies: Nigeria and South Africa," African Development Review, African Development Bank, vol. 31(2), pages 245-257, June.
39. Ojonugwa Usman & Osama Mohammed Elsalih, 2018. "Testing the Effects of Real Exchange Rate Pass-Through to Unemployment in Brazil," Economies, MDPI, vol. 6(3), pages 1-13, September.
40. Ojonugwa Usman & Muhammad Sani Musa, 2018. "Revisiting Exchange Rate Pass-Through to Consumer Price Inflation in Nigeria: A Cointegrated Vector Autoregressive Approach," Academic Journal of Economic Studies, Faculty of Finance, Banking and Accountancy Bucharest,"Dimitrie Cantemir" Christian University Bucharest, vol. 4(1), pages 60-67, March.
41. Idoko Ahmed Itodo & Ojonugwa Usman & Michael Maju Abu, 2017. "The Asymmetric Effect in the Volatility of the South African Rand," Academic Journal of Economic Studies, Faculty of Finance, Banking and Accountancy Bucharest,"Dimitrie Cantemir" Christian University Bucharest, vol. 3(3), pages 47-53, September.
42. Seyi Saint Akadiri & Itodo Idoko Ahmed & Ojonugwa Usman & Medhi Seraj, 2016. "The Feldstein - Horioka Paradox, A Case Study of Turkey," Asian Economic and Financial Review, Asian Economic and Social Society, vol. 6(12), pages 744-749.

Chapters

1. Mehmet Balcilar & Ojonugwa Usman & David Roubaud, 2022. "How Do Energy Market Shocks Affect Economic Activity in the US Under Changing Financial Conditions?," Springer Books, in: Christos Floros & Ioannis Chatziantoniou (ed.), Applications in Energy Finance, chapter 0, pages 85-114, Springer.