1. Ömer Yalçınkaya is Assistant Professor, Faculty of Economics and Administrative Sciences, Department of Economics, Ağrı İbrahim Çeçen University, Ağrı, Turkey,
2. İbrahim Hüseyni is Assistant Professor, Faculty of Economics and Administrative Sciences, Department of Economics, Şırnak University, Şırnak, Turkey,
3. Ali Kemal Çelik is a Research Assistant Dr., Faculty of Economics and Administrative Sciences, Department of Quantitative Methods, Ardahan University, Ardahan, Turkey,