Nara cristina ferreira Mendes University of Brasília   Campus Universitário Darcy Ribeiro Brasília, Distrito Federal 70910-900 Brasil   naramendes@unb.br             JEL Areas: E2 : Macroeconomics: Consumption, Saving, Production, Employment, and Investment: General (includes Measurement and Data) H7 : State and Local Government; Intergovernmental Relations: General