Artur H. S. Santos Brazilian Treasury Secretariat   Condomínio do Lago Sul, 15, Conjunto B Brasília, DF 71676250 Brazil   arturhss@gmail.com             JEL Areas: J6 : Mobility, Unemployment, and Vacancies: General H5 : National Government Expenditures and Related Policies National Government Expenditures and Related Policies: General