Panagiotis Tsintzos Democritus Univ. of Thrace   Department of Economics, Demokritus University of Thrace, Panepistimioupoli Komotini Komotini, 69100 Greece   a_pa_tsi@yahoo.com             JEL Areas: E6 : Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General H3 : Fiscal Policies and Behavior of Economic Agents: General