Aysegul Sanli Istanbul University   aysegul sanli söl apt gül sokak d:15 Akatlar Beşiktaş Istanbul, 34335 Türkiye   aysegul596@yahoo.com.tr             JEL Areas: E3 : Prices, Business Fluctuations, and Cycles: General (includes Measurement and Data) E4 : Money and Interest Rates: General