1. Faculty of Economics and Administrative Sciences, Department of Economics, Erzincan Binali Yıldırım University, Erzincan, Turkey
2. Faculty of Economics and Administrative Sciences, Department of Economics, Ege University, Izmir, Turkey
3. Faculty of Economics and Administrative Sciences, Department of Economics, Cankiri Karatekin University, Cankiri, Turkey
4. Faculty of Economics and Administrative Sciences, Department of Econometrics, Cukurova University, Adana, Turkey