Flavio V Vieira Federal University of Uberlandia   Av. Joao Naves de Avila 2121 Uberlandia, MG 38400902 Brazil   flaviovieira@ufu.br   http://www.ieri.ufu.br/           JEL Areas: E3 : Prices, Business Fluctuations, and Cycles: General (includes Measurement and Data) F3 : International Finance: General