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Monetary policy in Brazil: evidence of a reaction function with time-varying parameters and endogenous regressors

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  • Edilean Silva Bejarano Aragón
  • Gabriela Medeiros

Abstract

This paper estimates a forward-looking reaction function with time-varying parameters to examine changes in the Brazilian monetary policy under the inflation-targeting regime. As the monetary policy rule has endogenous regressors, the conventional Kalman filter cannot be applied. Thus, the two-step procedure proposed by Kim and Nelson (J Monet Econ 53:1949–1966, 2006 ) is used for consistent estimation of the hyper-parameters of the model. The results indicate that the reaction function parameters of the Central Bank of Brazil are time-varying and that the regressors of that function are endogenous. Besides, we observed that: (i) the monetary policy interest rate (Selic rate) responses to current inflation and the inflationary expectations present considerable changes and have diminished with the passing of time; (ii) since mid-2010, policy rule has violated the Taylor principle; (iii) the implicit target for the Selic interest rate has shown a decline over time; and (iv) the degree of interest rate smoothing has shown a relative stability. Finally, the policy instrument response to the output gap presents an increasing trend over the 2010–2011 period. Copyright Springer-Verlag Berlin Heidelberg 2015

Suggested Citation

  • Edilean Silva Bejarano Aragón & Gabriela Medeiros, 2015. "Monetary policy in Brazil: evidence of a reaction function with time-varying parameters and endogenous regressors," Empirical Economics, Springer, vol. 48(2), pages 557-575, March.
    • Handle: RePEc:spr:empeco:v:48:y:2015:i:2:p:557-575
    DOI: 10.1007/s00181-013-0791-5
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    Cited by:

    1. Cortes, Gustavo S. & Paiva, Claudio A.C., 2017. "Deconstructing credibility: The breaking of monetary policy rules in Brazil," Journal of International Money and Finance, Elsevier, vol. 74(C), pages 31-52.
    2. Gabriela Bezerra Medeiros & Marcelo Savino Portugal & Edilean Kleber da Silva Bejarano Aragón, 2017. "Endogeneity and nonlinearities in Central Bank of Brazil’s reaction functions: an inverse quantile regression approach," Empirical Economics, Springer, vol. 53(4), pages 1503-1527, December.
    3. Bruno Ferreira Frascaroli & Wellington Charles Lacerda Nobrega, 2019. "Inflation Targeting and Inflation Risk in Latin America," Emerging Markets Finance and Trade, Taylor & Francis Journals, vol. 55(11), pages 2389-2408, September.
    4. Gießler, Stefan, 2020. "The evolution of monetary policy in Latin American economies: Responsiveness to inflation under different degrees of credibility," IWH Discussion Papers 9/2020, Halle Institute for Economic Research (IWH).

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    More about this item

    Keywords

    Forward-looking monetary policy; Time-varying parameter model; Endogeneity; Kalman filter; Brazil; C32; E52; C50;
    All these keywords.

    JEL classification:

    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • C50 - Mathematical and Quantitative Methods - - Econometric Modeling - - - General

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