Foteini Thomaidou Environmental Department, University of Thessaly, Larissa, Greece.   Mpertou 36 Amifali Keratsini, Athens 18758 Greece   fothomaid@outolook.com             JEL Areas: H5 : National Government Expenditures and Related Policies National Government Expenditures and Related Policies: General D9 : Intertemporal Choice and Growth: General