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Lack of Credibility, Inflation Persistence and Disinflation in Colombia

  • Andrés González

    ()

  • Franz Hamann

    ()

This paper measures inflation persistence in Colombia for the period 1990-2010 and estimates the implied speed at which agents learn about the central bank’s inflation target. We estimate Erceg and Levin’s (2003) imperfect credibility model using Bayesian techniques and compare the posterior odds of this model against a conventional Neokeynesian model with ad-hoc price indexation. The odds are strongly in favor of the imperfect credibility model, suggesting that lack of credibility on the inflation target is an important source of inflation persistence. We use the model to compute the sacrifice ratio associated to 100 basis points inflation target shocks and find that it is (0.83%) in line with previous estimates for Colombia. We also find that the speed at which agents learn in the model has increased, albeit marginally, since the central bank implemented its inflation targeting strategy. Although during this period macroeconomic volatility has fallen, inflation persistence has remained roughly constant suggesting that so far, the impact of those credibility gains has been modest.

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Paper provided by Banco de la Republica de Colombia in its series Borradores de Economia with number 658.

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Handle: RePEc:bdr:borrec:658
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  1. Raquel Bernal, 2002. "Monetary Policy Rules In Colombia," DOCUMENTOS CEDE 003251, UNIVERSIDAD DE LOS ANDES-CEDE.
  2. Matteo Ciccarelli & Benoît Mojon, 2008. "Global inflation," Working Paper Series WP-08-05, Federal Reserve Bank of Chicago.
  3. Stephanie Schmitt-Grohe & Martin Uribe, 2004. "Optimal Simple and Implementable Monetary and Fiscal Rules," NBER Working Papers 10253, National Bureau of Economic Research, Inc.
  4. Corvoisier, Sandrine & Mojon, Benoît, 2005. "Breaks in the mean of inflation: how they happen and what to do with them," Working Paper Series 0451, European Central Bank.
  5. Javier Gómez & Juan Manuel Julio, 2003. "Transmission Mechanism and Inflation Targeting: The Case of Colombia's Desinflation," Revista de Analisis Economico – Economic Analysis Review, Ilades-Georgetown University, Universidad Alberto Hurtado/School of Economics and Bussines, vol. 18(2), pages 109-133, December.
  6. Boschen, John F. & Weise, Charles L., 2001. "The Ex Ante Credibility of Disinflation Policy and the Cost of Reducing Inflation," Journal of Macroeconomics, Elsevier, vol. 23(3), pages 323-347, July.
  7. Marc Hofstetter, 2006. "Disinflations In Latin America And The Caribbean: A Free Lunch?," DOCUMENTOS CEDE 002375, UNIVERSIDAD DE LOS ANDES-CEDE.
  8. Carlos Robalo Marques, 2005. "Inflation persistence: facts or artefacts?," Economic Bulletin and Financial Stability Report Articles, Banco de Portugal, Economics and Research Department.
  9. Pau Rabanal & Juan Francisco Rubio-Ramirez, 2003. "Comparing New Keynesian models in the Euro area: a Bayesian approach," Working Paper 2003-30, Federal Reserve Bank of Atlanta.
  10. Andrés González G. & Franz Hamann, 2011. "Lack of Credibility, Inflation Persistence and Disinflation in Colombia," BORRADORES DE ECONOMIA 008737, BANCO DE LA REPÚBLICA.
  11. José Daniel REYES PEÑA, 2003. "The cost of disinflation in Colombia: -A sacrifice Ratio Approach-," ARCHIVOS DE ECONOMÍA 003579, DEPARTAMENTO NACIONAL DE PLANEACIÓN.
  12. Clark, Peter K., 1989. "Trend reversion in real output and unemployment," Journal of Econometrics, Elsevier, vol. 40(1), pages 15-32, January.
  13. Altissimo, Filippo & Corradi, Valentina, 2003. "Strong rules for detecting the number of breaks in a time series," Journal of Econometrics, Elsevier, vol. 117(2), pages 207-244, December.
  14. repec:cup:cbooks:9780521321969 is not listed on IDEAS
  15. Carlos Capistrán & Manuel Ramos-Francia, 2009. "Inflation Dynamics In Latin America," Contemporary Economic Policy, Western Economic Association International, vol. 27(3), pages 349-362, 07.
  16. Filippo Altissimo & Valentina Corradi, 2000. "Strong Rules for Detecting the Number of Breaks in a Time Series," Econometric Society World Congress 2000 Contributed Papers 0574, Econometric Society.
  17. Sharon Kozicki & P.A.Tinsley, 2001. "What do you expect? : imperfect policy credibility and tests of the expectations hypothesis?," Research Working Paper RWP 01-02, Federal Reserve Bank of Kansas City.
  18. Martha Misas A. & Enrique López E. & Juan Carlos Parra A., . "La formación de precios en las empresas colombianas: evidencia a partir de una encuesta directa," Borradores de Economia 569, Banco de la Republica de Colombia.
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