Una caja de herramientas para incluir la política fi scal en los modelos de DSGE
Keywords:
Política Fiscal, Gobierno, Equivalencia Ricardiana, DSGE.Abstract
Resumen
El presente trabajo es una introducción a las difi cultades y posibles soluciones que pueden presentarse a la hora de incluir la política fi scal en los modelos dinámicos estocásticos de equilibrio general (DSGE por sus siglas en ingles). El trabajo muestra cómo diferentes supuestos pueden constituirse en elementos fundamentales a la hora de dar relevancia a los efectos de la política fi scal gracias a que atacan directamente los supuestos de la equivalencia Ricardiana o porque actúan como obstáculos para el ajuste de los mercados. El trabajo concluye que la aplicación de rigideces y algunos supuestos no Ricardianos aumentan el tamaño y persistencia de los efectos de un choque en la política fi scal, lo que permite que el modelo DSGE refl eje mejor la evidencia empírica.
Abstract
This paper intends to introduce the diffi culties and possible solutions to fi scal policy representation trough dynamic stochastic general equilibrium models (DSGE). This work shows how different types of concepts that attack the Ricardian equivalency or act as market rigidities, increases fi scal shocks’ size and persistence, which in many cases results in a better representation of reality.
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