Author
Listed:
- José Vicente Romero-Chamorro
- Hernando Vargas-Herrera
Abstract
Este estudio examina cómo la dinámica de la deuda pública y las expectativas sobre el déficit fiscal inciden en el componente cíclico de la tasa de interés de largo plazo y en la pendiente de la curva de rendimientos en Colombia. A partir de las encuestas de FocusEconomics a analistas económicos nacionales e internacionales, se construye una serie de expectativas de déficit fiscal para el período 2005–2025, que permite identificar choques sobre la postura fiscal esperada. La estrategia empírica se basa en modelos VAR bayesianos con variables exógenas y parámetros cambiantes en el tiempo (TVP-BVARX), que incluyen como controles las condiciones financieras internas y externas y permiten documentar variaciones en la intensidad de la transmisión a lo largo de la muestra. Los resultados muestran que los deterioros en la deuda pública y en el déficit fiscal esperado generan aumentos estadísticamente significativos en el componente cíclico de la tasa de interés de largo plazo y en la pendiente de la curva. Las descomposiciones histórica y de varianza indican, además, que los choques fiscales explican una fracción relevante de las fluctuaciones de ambas variables, lo cual destaca la importancia de la credibilidad fiscal en la determinación del costo del endeudamiento público. ***ABSTRACT: This paper examines how public debt dynamics and fiscal deficit expectations affect the cyclical component of the long-term interest rate and the slope of the yield curve in Colombia. Drawing on FocusEconomics surveys of domestic and international analysts, we construct a series of fiscal deficit expectations for the period 2005–2025, which allows us to identify shocks to the expected fiscal stance. The empirical strategy relies on Bayesian VAR models with exogenous variables and time-varying parameters (TVP-BVARX), which include domestic and external financial conditions as controls and make it possible to document variations in the intensity of transmission over the sample. The results show that deteriorations in public debt and in the expected fiscal deficit lead to statistically significant increases in the cyclical component of the long-term interest rate and in the slope of the curve. Historical and variance decompositions further indicate that fiscal shocks account for a relevant share of the fluctuations in both variables, highlighting the importance of fiscal credibility in determining the cost of public borrowing.
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JEL classification:
- E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects
- H63 - Public Economics - - National Budget, Deficit, and Debt - - - Debt; Debt Management; Sovereign Debt
- D84 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Expectations; Speculations
- G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
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