1. General Education and Foundation Program, Rabdan Academy, Abu Dhabi 22401, United Arab Emirates
2. Independent Researcher, 35040 Izmir, Turkey
3. Department of Economics, Faculty of Economics and Administrative Sciences, Ege University, 35040 Izmir, Turkey
4. Department of Economics, Erzincan Binali Yıldırım University, 24002 Erzincan, Turkey