Ricardo R Moreira CNPq's researcher, Federal University of Espírito Santo (UFES).   Fernando Ferrari Avenue, 514, Goiabeiras. Vitória, ES 29075-910 Brazil   ricardo.moreira@ufes.br             JEL Areas: E3 : Prices, Business Fluctuations, and Cycles: General (includes Measurement and Data) E6 : Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General