Are Core Inflation Directional Forecasts Informative?
Core inflation is under attack. Empirically, experts have become increasingly disappointed with its actual performance. Theoretically, while some claim that it is a key inflation predictor others argue that, by construction, that cannot be one of its main properties, at least in the short run. Even if true, core inflation could still be useful if it provides good directional inflation forecasts. The evidence presented here using U.S., Canadian and Brazilian data shows that this does not seem to be the case. Directional forecasts are often no better than a coin toss, especially from the level model. The gap model’s forecasts are wrong, on average, at least 20% of the time. More crucially, they are usually no better than a simple moving average of headline inflation.
References listed on IDEAS
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- Kevin Clinton, 2006. "Core inflation at the Bank of Canada: A critique," Working Papers 1077, Queen's University, Department of Economics.
- da Silva Filho, Tito Nícias Teixeira & Figueiredo, Francisco Marcos Rodrigues, 2011.
"Has Core Inflation Been Doing a Good Job in Brazil?,"
Revista Brasileira de Economia,
FGV/EPGE Escola Brasileira de Economia e Finanças, Getulio Vargas Foundation (Brazil), vol. 65(2), May.
- Da Silva Filho, Tito Nícias Teixeira & Figueiredo, Francisco Marcos Rodrigues, 2009. "Has core inflation been doing a good job in Brazil?," MPRA Paper 23340, University Library of Munich, Germany.
- James B. Bullard, 2011.
"Measuring inflation: the core is rotten,"
180, Federal Reserve Bank of St. Louis.
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