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Las Expectativas Racionales Y Sus Efectos En Las Variables Reales De La Economía

Author

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  • Ulises Hernández Ramos

    (Universidad Nacional Autónoma de México)

Abstract

El presente artículo muestra la evolución de las expectativas adaptativas y racionales en la especificación de los modelos macroeconómicos. Se demuestra a través de la especificación formal de los modelos de Lucas y Sargent-Wallace que las políticas no tienen efectos reales en la economía, sin embargo este resultado no se debe a la incorporación de la hipótesis de expectativas racionales, sino al supuesto de vaciado de los mercados, tal y como se demuestra con el modelo formal de Fisher, en el cual, aun considerando expectativas, las políticas sistemáticas tienen efectos en las variables reales de la economía aun en el largo plazo. Se concluye que las expectativas no son el punto central de las controversias, sino de los supuestos sobre los que se construyen los modelos, lo que conduce a las diferencias en los resultados de las políticas contracíclicas del gobierno.

Suggested Citation

  • Ulises Hernández Ramos, 2004. "Las Expectativas Racionales Y Sus Efectos En Las Variables Reales De La Economía," Remef - Revista Mexicana de Economía y Finanzas Nueva Época REMEF (The Mexican Journal of Economics and Finance), Instituto Mexicano de Ejecutivos de Finanzas, IMEF, vol. 3(4), pages 375-390, Diciembre.
  • Handle: RePEc:imx:journl:v:3:y:2004:i:4:p:375-390
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    File URL: http://www.remef.org.mx/index.php/primera/article/view/174
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    More about this item

    Keywords

    Expectativas adaptativas; Expectativas racionales; Instrumentación de políticas; Curva de Phillips;
    All these keywords.

    JEL classification:

    • B41 - Schools of Economic Thought and Methodology - - Economic Methodology - - - Economic Methodology
    • E60 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - General
    • E61 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Policy Objectives; Policy Designs and Consistency; Policy Coordination

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