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Predicción de errores de proyección de inflación en Chile

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Author Info

  • Bentancor, Andrea

    (Universidad Adolfo Ibáñez)

  • Pincheira, Pablo

    (Banco Central de Chile)

Abstract

We evaluate inflation forecasts from the Survey of Professional Forecasters (SPF) of the Central Bank of Chile. Forecast errors for the period 2000-2008 show an excess of autocorrelation and a statistically significant bias at the end of the sample. We take advantage of the autocorrelation structure of the forecast errors to build new and more accurate inflation forecasts. We evaluate these new forecasts in an out-of-sample exercise. The new forecasts display important reductions in bias (34%) and Mean Square Prediction Error (29%). Moreover, these reductions are, in general, statistically significant.// En este artículo evaluamos las proyecciones de inflación provenientes de la Encuesta de Expectativas Económicas del Banco Central de Chile. Nuestro análisis, para el período 2000-2008, detecta un exceso de autocorrelación en los errores de predicción y un sesgo estadísticamente significativo hacia el final de la muestra. El sesgo y el exceso de autocorrelación encontrados posibilitan mejorar las proyecciones de inflación mediante la incorporación de un buen predictor de errores. Los resultados de un ejercicio fuera de muestra indican que el ajuste propuesto permite reducir el sesgo y el error cuadrático medio de las proyecciones de inflación hasta en 34 y 29%, respectivamente. En general estas reducciones son estadísticamente significativas.

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Bibliographic Info

Article provided by Fondo de Cultura Económica in its journal El Trimestre Económico.

Volume (Year): LXXVII (1) (2010)
Issue (Month): 305 (enero-marzo)
Pages: 129-154

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Handle: RePEc:elt:journl:v:77:y:2010:i:305:p:129-154

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Web page: http://www.fondodeculturaeconomica.com/

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Related research

Keywords: inflation prediction; survey of professional forecasters; out-of-sample evaluation; rationality test; weak efficiency test; predicción de inflación; encuestas de expectativas; predicción fuera de muestra; prueba de racionalidad; prueba de eficiencia débil;

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Cited by:
  1. Pablo Pincheira, 2010. "A Real Time Evaluation of the Central Bank of Chile GDP Growth Forecasts," Working Papers Central Bank of Chile 556, Central Bank of Chile.
  2. Carlos Capistrán & Gabriel López-Moctezuma, 2010. "Forecast Revisions of Mexican Inflation and GDP Growth," Working Papers 2010-11, Banco de México.
  3. Pablo Pincheira B. & Nicolás Fernández, 2011. "Jaque Mate a las Proyecciones de Consenso," Working Papers Central Bank of Chile 630, Central Bank of Chile.
  4. Pablo Pincheira, 2012. "A Joint Test of Superior Predictive Ability for Chilean Inflation Forecasts," Journal Economía Chilena (The Chilean Economy), Central Bank of Chile, vol. 15(3), pages 04-39, December.
  5. Capistrán, Carlos & López-Moctezuma, Gabriel, 2014. "Forecast revisions of Mexican inflation and GDP growth," International Journal of Forecasting, Elsevier, vol. 30(2), pages 177-191.
  6. Capistrán, Carlos & López-Moctezuma, Gabriel, 2010. "Las expectativas macroeconómicas de los especialistas. Una evaluación de pronósticos de corto plazo en México," El Trimestre Económico, Fondo de Cultura Económica, vol. 0(306), pages 275-312, abril-jun.
  7. Alfredo Pistelli M., 2012. "Análisis de Sesgos y Eficiencia en Proyecciones de Consensus Forecasts," Notas de Investigación Journal Economía Chilena (The Chilean Economy), Central Bank of Chile, vol. 15(1), pages 98-104, April.

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