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O Desempenho do Mercado (Focus) na Previsão da Inflação: Novos Resultados?

Author

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  • Elcyon Caiado Rocha Lima
  • Paloma Palmieri Alves

Abstract

A avaliação da habilidade preditiva das expectativas do mercado - pesquisa Focus - sobre a taxa de inflação brasileira é importante, dado o papel predominante destas expectativas na condução da política monetária no Brasil. Lima e Céspedes (2006) mostraram que, no período de janeiro de 2000 a abril de 2005, diversos modelos de previsão superavam, em habilidade preditiva, a média das previsões do mercado para a taxa de inflação medida pelo Índice Nacional de Preços ao Consumidor Amplo (IPCA), em horizontes superiores há três meses. Neste artigo, utilizando informações mais recentes, não encontramos evidências significativas de que a média das previsões do mercado (Focus) tenha habilidade preditiva superior a de alguns modelos autorregressivos univariados. The evaluation of forecasts performance of market expectations about the Brazilian inflation rate (Focus survey) is important given the prominent role of these expectations in the conduction of monetary policy in Brazil. Lima e Céspedes (2006) showed that, in the period 2000.1 2005.4, several models had superior forecast ability than the mean of market inflation rate (measured by IPCA) forecasts for horizons superior to three months. In this article, using more recent information, we found no significant evidence that the mean of market forecasts had superior forecast ability than some univariate autoregressive models.

Suggested Citation

  • Elcyon Caiado Rocha Lima & Paloma Palmieri Alves, 2011. "O Desempenho do Mercado (Focus) na Previsão da Inflação: Novos Resultados?," Discussion Papers 1621, Instituto de Pesquisa Econômica Aplicada - IPEA.
  • Handle: RePEc:ipe:ipetds:1621
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