%0 Journal Article %T Modelos lineares e n£¿o lineares da curva de Phillips para previs£¿o da taxa de infla£¿£¿o no Brasil %A Arruda %A Elano Ferreira %A Ferreira %A Roberto Tatiwa %A Castelar %A Ivan %J Revista Brasileira de Economia %D 2011 %I Funda??o Get¨²lio Vargas %R 10.1590/S0034-71402011000300001 %X this paper compares forecasts of brazilian monthly inflation rate generated from different linear and nonlinear time series and phillips' curve models. in general, the nonlinear models had a better performance. the var model produced the smallest mean square forecast error (mse) among linear models, while overall best forecasts were generated by the extended phillips curve with a threshold effect, which presented a 20% smaller mse than the var model. the diebold e mariano (1995) test indicated a significant difference between forecasts generated from the var and the expanded phillips curve with a threshold. %K curva de phillips %K modelos de s¨¦ries temporais %K threshold %K previs£¿o. %U http://www.scielo.br/scielo.php?script=sci_abstract&pid=S0034-71402011000300001&lng=en&nrm=iso&tlng=en