1. Department of Economics, Kwame Nkrumah University of Science and Technology (KNUST), Kumasi, Ghana
2. Environment and Natural Resource Research Initiative (ENRRI-EfD Ghana), Accra, Ghana
3. Graduate School of Economics, Kobe University, Nada-ku, Japan
4. Department of Sustainable Energy and Resources, University of Environment and Sustainable Development, Somanya, Ghana