Ojonugwa Usman

Best Publications

• Testing the role of oil production in the environmental Kuznets curve of oil producing countries: New insights from Method of Moments Quantile Regression

  George N. Ike;Ojonugwa Usman;Samuel Asumadu Sarkodie

  269
  Citations

• Revisiting the environmental Kuznets curve (EKC) hypothesis in India: the effects of energy consumption and democracy.

  Ojonugwa Usman;Paul Terhemba Iorember;Ifedolapo O Olanipekun

  268
  Citations

• Assessment of the role of renewable energy consumption and trade policy on environmental degradation using innovation accounting: Evidence from the US

  Ojonugwa Usman;Andrew Adewale Alola;Samuel Asumadu Sarkodie

  264
  Citations

• Globalization, energy use, and environmental degradation in South Africa: Startling empirical evidence from the Maki-cointegration test.

  Abdulkadir Abdulrashid Rafindadi;Ojonugwa Usman

  254
  Citations

• Role of renewable energy and globalization on ecological footprint in the USA: implications for environmental sustainability

  Ojonugwa Usman;Seyi Saint Akadiri;Ibrahim Adeshola

  253
  Citations

• Environmental quality effects of income, energy prices and trade: The role of renewable energy consumption in G-7 countries.

  George N. Ike;Ojonugwa Usman;Andrew Adewale Alola;Samuel Asumadu Sarkodie

  241
  Citations

• Role of Non-Renewable Energy Efficiency and Renewable Energy in Driving Environmental Sustainability in India: Evidence from the Load Capacity Factor Hypothesis

  Unknown

  146
  Citations

• Effects of tourism, financial development, and renewable energy on environmental performance in EU-28: does institutional quality matter?

  Muhammad Sani Musa;Gylych Jelilov;Paul Terhemba Iorember;Ojonugwa Usman

  128
  Citations

• Effects of domestic material consumption, renewable energy, and greenhouse gas emissions on environmental sustainability in the EU-28: Evidence from GMM panel-VAR

  Ojonugwa Usman;Andrew Adewale Alola;Andrew Adewale Alola;Seyi Saint Akadiri

  127
  Citations

• Modelling environmental degradation in South Africa: the effects of energy consumption, democracy, and globalization using innovation accounting tests.

  Ojonugwa Usman;Ifedolapo O. Olanipekun;Paul Terhemba Iorember;Maryam Abu-Goodman

  126
  Citations

• Energy mix outlook and the EKC hypothesis in BRICS countries: a perspective of economic freedom vs. economic growth

  Seyi Saint Akadırı;Andrew Adewale Alola;Ojonugwa Usman

  119
  Citations

• Fiscal policy and CO2 emissions from heterogeneous fuel sources in Thailand: Evidence from multiple structural breaks cointegration test.

  George N. Ike;Ojonugwa Usman;Samuel Asumadu Sarkodie

  111
  Citations

• The influence of renewable energy use, human capital, and trade on environmental quality in South Africa: multiple structural breaks cointegration approach

  Paul Terhemba Iorember;Gylych Jelilov;Ojonugwa Usman;Abdurrahman Işık

  101
  Citations

• Assessing the impact of resource efficiency, renewable energy R&D spending, and green technologies on environmental sustainability in Germany: Evidence from a Wavelet Quantile-on-Quantile Regression

  Unknown

  100
  Citations

• Operational behaviours of multinational corporations, renewable energy transition, and environmental sustainability in Africa: Does the level of natural resource rents matter?

  Unknown

  95
  Citations

• Towards mitigating ecological degradation in G-7 countries: accounting for economic effect dynamics, renewable energy consumption, and innovation

  Unknown

  91
  Citations

• Domestic material consumption and greenhouse gas emissions in the EU‐28 countries: Implications for environmental sustainability targets

  Andrew Adewale Alola;Seyi Saint Akadiri;Ojonugwa Usman

  88
  Citations

• Impact assessment of trade on environmental performance: accounting for the role of government integrity and economic development in 79 countries

  Abdulkareem Alhassan;Ojonugwa Usman;George N. Ike;Samuel Asumadu Sarkodie

  87
  Citations

• Toward sustainable electricity consumption in Brazil: the role of economic growth, globalization and ecological footprint using a nonlinear ARDL approach

  Abdulkadir Abdulrashid Rafindadi;Ojonugwa Usman

  84
  Citations

• Environmental performance and tourism development in EU-28 Countries: the role of institutional quality

  Ojonugwa Usman;Osama Elsalih;Osama Koshadh

  75
  Citations