Evolution of sovereign rating models in the current crisis

  1. Margarita Martín García 1
  2. Cecilia Téllez Valle 1
  3. José Luis Martín Marín 1
  1. 1 Universidad Pablo de Olavide
    info

    Universidad Pablo de Olavide

    Sevilla, España

    ROR https://ror.org/02z749649

Revista:
GCG: revista de globalización, competitividad y gobernabilidad

ISSN: 1988-7116

Año de publicación: 2014

Volumen: 8

Número: 1

Páginas: 16-33

Tipo: Artículo

Otras publicaciones en: GCG: revista de globalización, competitividad y gobernabilidad

Resumen

En este artículo se aborda el tema de la calificación de los emisores soberanos por parte de las agencias de rating. Una vez seleccionadas las variables macroeconómicas, que aparecen como más relevantes en la literatura al uso, se utilizan modelos de regresión lineales múltiples donde la variable dependiente es el rating asignado a cada país por las agencias. Se utiliza un modelo de catorce variables que luego pueden reducirse a cuatro con resultados muy similares en cuanto al ajuste. Se analizan 82 países en el periodo 2004-2011 y, como resultado, se observa un cambio sustancial respecto a los modelos previos. Esto se debe, en parte, a la incorporación de una nueva variable cualitativa, la calidad regulatoria, que adquiere un considerable peso en época de crisis.

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