Cleomar G Da silva Federal University of Uberlandia   Uberlandia, MG 38400902 Brazil   cleomargomes@ufu.br   http://www.ieri.ufu.br/           JEL Areas: E3 : Prices, Business Fluctuations, and Cycles: General (includes Measurement and Data) E5 : Monetary Policy, Central Banking, and the Supply of Money and Credit: General