Selçuk Akçay Afyon Kocatepe University   AKÜ ANS Kampüsü Gazlıgöl Yolu IIBF İktisat Böl. Afyonkarahisar, Merkez 03200 Türkiye   selcuk19@hotmail.com             JEL Areas: D3 : Distribution: General C2 : Single Equation Models; Single Variables: General