Nonlinearities in Central Bank of Brazil's reaction function: the case of asymmetric preferences
DOI:
https://doi.org/10.1590/S0101-41612010000200005Keywords:
monetary policy, asymmetric preferences, nonlinear interest rate rules, BrazilAbstract
This paper investigates the existence of possible asymmetries in the Central Bank of Brazil's objectives. By assuming that the loss function is asymmetric with regard to positive and negative deviations of the output gap and of the inflation rate from its target, we estimated a nonlinear reaction function which allows identifying and checking the statistical significance of asymmetric parameters in the monetary authority's preferences. For years 2000 to 2007, results indicate that the Central Bank of Brazil showed asymmetric preference over an above-target inflation rate. Given that this behavior may stem from policy decisions in periods of severe crises (e.g., in 2001 and in 2002), we restricted our sample to the 2004-2007 period. We did not find any empirical evidence of any type of asymmetry in the preferences over the stabilization of inflation and of the output gap for this period.
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Atualizado em 14/08/2025