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Inércia de Juros e Regras de Taylor: explorando as Funções de Resposta a Impulso em Um Modelo de Equilíbrio Geral Com Parâmetros Estilizados para o Brasil

  • Dionísio Dias Carneiro


  • Pedro Garcia Duarte


The fit of empirical Taylor Rules to Brazilian data improves if we consider the hypothesis of interest rate inertia. Inertia seems to be part of monetary policy of several countries and reflects the action of Central Banks of not adjusting once-for-all to changing conditions. This article extends the concept of inertia considered by Duarte (2001) in the general intertemporal equilibrium model developed by Woodford (2000(b)), which corresponds to the monetary shock first-order autoregressive coefficient. We explore here the concept of inertia related to the presence of first lag of interest rate in the three Taylor rules examined in characterization of impulse response functions of variables to a monetary shock. The short run response of variables and the time it takes for their return to equilibrium depend more on the autoregressive coefficient of the shock than on the interest rate inertia. But this inertia is important when the Taylor Rule includes lagged inflation and output, because in this case, a smaller oscillation of the response of variables to shocks is obtained. It is also important in the case of forward looking Taylor Rule.

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Paper provided by ANPEC - Associação Nacional dos Centros de Pósgraduação em Economia [Brazilian Association of Graduate Programs in Economics] in its series Anais do XXIX Encontro Nacional de Economia [Proceedings of the 29th Brazilian Economics Meeting] with number 026.

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Date of creation: 2001
Date of revision:
Handle: RePEc:anp:en2001:026
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  1. Leeper, Eric M., 1991. "Equilibria under 'active' and 'passive' monetary and fiscal policies," Journal of Monetary Economics, Elsevier, vol. 27(1), pages 129-147, February.
  2. Sheshinski, Eytan & Weiss, Yoram, 1977. "Inflation and Costs of Price Adjustment," Review of Economic Studies, Wiley Blackwell, vol. 44(2), pages 287-303, June.
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  14. Dionísio Dias Carneiro & Thomas Yen Hon Wu, 2001. "Contas externas e política monetária," Textos para discussão 442, Department of Economics PUC-Rio (Brazil).
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