Inflation Targeting with an Optimal Nonlinear Monetary Rule—The Case Study of Colombia

Martha Misas (), Edgar Villa and Andres Giraldo
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Martha Misas: Escuela Internacional de Ciencias Economicas y Adminstrativas, Universidad de La Sabana, Chia 250001, Colombia
Edgar Villa: Escuela Internacional de Ciencias Economicas y Adminstrativas, Universidad de La Sabana, Chia 250001, Colombia

JRFM, 2024, vol. 17, issue 12, 1-27

Abstract: This article examines whether Banco de la República (Banrep), Colombia’s central bank, has operated under a dual-regime policy framework—one for recessionary periods and another for periods of economic overheating—since adopting inflation targeting (IT) from Q4 2000 to Q4 2019. We modify the canonical New Keynesian inflation model to accommodate an optimal nonlinear monetary rule aligned with a two-regime policy framework. Using a LSTAR model estimated over the study period, with the output gap lagged by three periods as the transition variable, we identify two distinct monetary regimes. Our findings reveal that the smooth transitions between regimes were driven by shifts in Banrep’s preferences related to its loss function, alongside adjustments in the parameters of the aggregate demand and supply curves within the Colombian economy. Notably, we observe that a modified Taylor principle is not met in either identified monetary regime. This suggests that, in this context, IT has been a successful policy framework even without requiring the policy interest rate to respond aggressively to inflation gaps, as the Taylor principle would otherwise dictate.

Keywords: non-linear monetary rules; inflation targeting; taylor principle; non-linear STAR models (search for similar items in EconPapers)
JEL-codes: C E F2 F3 G (search for similar items in EconPapers)
Date: 2024
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