Alina Hyz Technological Educational Institute of Piraeus   Technological Educational Institute of Piraeus Department of Accounting and Finance Petrou Rallu & Thivon 250 Egaleo, 12244 Greece   alinahyz@teipir.gr   www.teipir.gr           JEL Areas: J2 : Demand and Suppply of Labor: General E2 : Macroeconomics: Consumption, Saving, Production, Employment, and Investment: General (includes Measurement and Data)