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La Inflación Desde Una Perspectiva Monetaria : Un Modelo P* Para Colombia

Author

Listed:
  • Martha Misas Arango
  • Enrique López Enciso
  • Luis Fernando Melo velandia

Abstract

El objetivo de este documento es presentar un modelo monetario para el pronóstico de la inflación trimestral en Colombia. El modelo teórico que sirve como base para este ejercicio empírico se conoce en la literatura como P*. Este modelo se plantea, a finales de la década de los ochenta, como una versión formalizada de la percepción, ampliamente difundida, del origen monetario de la inflación en el largo plazo. El modelo sugiere que la desviación del dinero de su senda de largo plazo permite explicar la senda futura de la inflación. El modelo original, tal como fue concebido, supone que la velocidad de circulación del dinero, entendida ésta como la razón entre el producto nominal y el agregado monetario, es estable en el largo plazo. Sin embargo, en una época de innovaciones financieras esta exigencia no se cumple para muchos países, hecho que ha llevado a una profusa literatura que busca ofrecer soluciones plausibles para abordar el modelo y mantener su fundamento teórico esencial. En la segunda sección, que sigue a esta introducción, se presenta el modelo P* teórico, soporte de este trabajo. En la tercera sección se aborda el tema de los supuestos en que se apoya el modelo, en especial el de la estabilidad de la velocidad de circulación del dinero. Se examinan también las alternativas de corrección al modelo P* que se han presentado en la literatura. Con base en los aportes que esta discusión ofrece, en la sección cuarta se propone la aplicación de un modelo P* modificado para la economía colombiana. La estrategia utilizada permite estimar el modelo original para un tipo de agregado monetario mientras que el modelo modificado se estima para los agregados cuya velocidad no es estacionaria. La sección siguiente evalúa el desempeño en pronóstico de estos modelos entre sí mismos y frente a modelos rivales. La última sección concluye

Suggested Citation

  • Martha Misas Arango & Enrique López Enciso & Luis Fernando Melo velandia, 1999. "La Inflación Desde Una Perspectiva Monetaria : Un Modelo P* Para Colombia," Borradores de Economia 3028, Banco de la Republica.
  • Handle: RePEc:col:000094:003028
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    References listed on IDEAS

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    Cited by:

    1. Héctor Mauricio Nunez Amortegui, 2005. "Una evaluación de los pronósticos de inflación en Colombia bajo el esquema de inflación objetivo," Revista de Economía del Rosario, Universidad del Rosario, December.
    2. Eliana González Molano & Luis Fernando Melo Velandia & Anderson Grajales Olarte, 2007. "Pronósticos directos de la inflación colombiana," Borradores de Economia 458, Banco de la Republica de Colombia.
    3. Sergio Clavijo, 2000. "Reflexiones Sobre Política Monetaria E "Inflación Objetivo" En Colombia," Borradores de Economia 3423, Banco de la Republica.
    4. Sergio Clavijo, 2000. "Reflexiones Sobre Política Monetaria e "Inflación Objetivo" en Colombia," Borradores de Economia 141, Banco de la Republica de Colombia.
    5. Andrés González & Luis Fernando Melo & Carlos Esteban Posada, 2006. "Inflación y dinero en Colombia: otro modelo P-estrella," Borradores de Economia 418, Banco de la Republica de Colombia.
    6. Martha Misas Arango & Enrique López Enciso & Pablo Querubín Borrero, 2002. "La inflación en Colombia: una aproximación desde las redes neuronales," Revista ESPE - Ensayos sobre Política Económica, Banco de la Republica de Colombia, vol. 20(41-42), pages 143-214, June.
    7. Miguel Urrutia, 2002. "UNA VISION ALTERNATIVA: La Política Monetaria y Cambiaria en la Ültima Década," Borradores de Economia 207, Banco de la Republica de Colombia.
    8. Javier Gómez & José Darío Uribe & Hernando Vargas, 2002. "The Implementation Of Inflation Targeting In Colombia," Borradores de Economia 3603, Banco de la Republica.
    9. Martha Misas Arango & Enrique López Enciso & Pablo Querubín Borrero, 2002. "La Inflación en Colombia: Una Aproximación desde las Redes Neuronales," Borradores de Economia 3029, Banco de la Republica.
    10. Miguel Urrutia, 2002. "UNA VISIÓN ALTERNATIVA: La Política Monetaria y Cambiaria en la Última Década," Borradores de Economia 3731, Banco de la Republica.
    11. Jesus Otero & Manuel Ramirez, 2002. "On the determinants of the inflation rate in Colombia: a disequilibrium market approach," Borradores de Investigación 3296, Universidad del Rosario.
    12. Eliana González Molano & Luis Fernando Melo Velnadia & Anderson Grajales Olarte, 2007. "Pronósticos directos de la inflación colombiana," Borradores de Economia 4246, Banco de la Republica.
    13. Otero, Jesus & Ramirez, Manuel, 2006. "Inflation before and after central bank independence: The case of Colombia," Journal of Development Economics, Elsevier, vol. 79(1), pages 168-182, February.
    14. Andrés González & Luis Fernando Melo & Carlos Esteban Posada, 2006. "Inflación y dinero en Colombia: otro modelo P-estrella," Borradores de Economia 2851, Banco de la Republica.

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