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Ley de Okun y política fiscal: análisis para América Latina mediante un modelo TVP-VAR-SV

No. 102 (2026-04-13)
  • Juan Camilo Villar Otálora
    Universidad Externado de Colombia
    Identificador ORCID: https://orcid.org/0000-0003-0940-1639
  • Carlos Fabián Ruiz Paredes
    Universidad Externado de Colombia
    Identificador ORCID: https://orcid.org/0000-0003-1507-1779

Resumen

Este artículo estudia la validez y estabilidad temporal de la Ley de Okun para 10 países de América Latina durante el periodo 1980-2023, en consideración a los efectos de la política fiscal. Para el caso, se estima un modelo TVP-VAR-SV para capturar relaciones dinámicas entre el crecimiento del producto interno bruto (PIB) y la variación de la tasa de desempleo y del gasto de consumo final del Gobierno como proporción del PIB, en atención a cambios estructurales y escenarios de incertidumbre. Los resultados del primero de los dos ejercicios econométricos muestran que esta relación no ha sido estable, ni homogénea, entre los países de la muestra a lo largo del tiempo. Del segundo ejercicio, se concluye que la inclusión de una tercera variable produce efectos diferenciados sobre la relación tradicional planteada por la Ley de Okun y sobre la variación del desempleo.

Palabras clave: Ley de Okun, mercado de trabajo, política fiscal, modelo TPV-VAR-SV

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