An Inflation Model for the Colombian Case. 2001 2025

Wilman Arturo Gomez and Carlos Esteban Posada

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Abstract: Since the beginning of this century the Colombian monetary authority has conducted monetary policy under a strategy based on setting targets for interest rate and inflation, while allowing the exchange rate of the U.S. dollar in domestic currency to float freely. This paper takes that strategy into account in order to explain inflation. Our econometric results were obtained by applying the Generalized Method of Moments to test the hypotheses derived from the structural form of our model. The main findings indicate: a. the validity of a Phillips curve.That is, a positive relationship between the inflation rate and the output gap, conditional on inflation expectations; b. that the monetary authority has reacted to shocks in inflation and in the output gap by adjusting its policy in the appropriate direction but, up to the end of 2025, without being able to claim that its responses have always been timely and consistently forceful. In other words, it can be said that the monetary authority has not been aggressive in ensuring that observed inflation returns rapidly to levels consistent with the inflation target range.

Date: 2026-03
New Economics Papers: this item is included in nep-cba and nep-mon
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