1. Institute of Economics and Economic Development, Department of Theoretical Economics, University of Szeged, Szeged, Hungary
2. Department of Economics, Aksum University, Aksum, Ethiopia
3. Nelson Mandela School of Public Governance, University of Cape Town, Cape Town, South Africa
4. Department of Civics and Ethical Studies, Adigrat University, Adigrat, Ethiopia
5. Doctoral School of Economics, Faculty of Economics and Business Administration, University of Szeged, Szeged, Hungary