Emrah İsmail Çevik Zonguldak Karaelmas University   Zonguldak Karaelmas University IIBF Isletme Bolumu Incivez Zonguldak, 67300 Turkey   emrahic@yahoo.com             JEL Areas: C2 : Single Equation Models; Single Variables: General J6 : Mobility, Unemployment, and Vacancies: General