Luiz Junior Universidade Federal de Juiz de Fora   Rua Doutor Guilherme de Castro, 1147 Edifício Lima Santos Dumont, MG 36240-183 Brasil   luiz.lima@ufjf.br             JEL Areas: E : Macroeconomics and Monetary Economics E5 : Monetary Policy, Central Banking, and the Supply of Money and Credit: General