Luiz A. D. Araujo Ministry of Economy   DF 150 Km 3 Condomínio Vivendas Campestres, conjunto F casa 12 Brasília, Distrito Federal 73090918 Brasil   davila_araujo@yahoo.com.br             JEL Areas: H5 : National Government Expenditures and Related Policies National Government Expenditures and Related Policies: General I : Health, Education, and Welfare