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Asymétries de transmission, incertitude additive et stabilisation monétaire en UEM : les enseignements d'un modèle théorique

Author

Listed:
  • P. de Grauwe
  • Marc-Alexandre Sénégas

    (GREThA - Groupe de Recherche en Economie Théorique et Appliquée - UB - Université de Bordeaux - CNRS - Centre National de la Recherche Scientifique)

Abstract

[eng] This paper examines, from a theoretical standpoint, how uncertainty affects the choice between a federal monetary policy based on national data and a policy based on union-wide aggregated data in a monetary union with asymmetrical monetary-policy transmission. We find that when additive uncertainty is introduced, the difference in the forecasting processes matters. In particular, if union-wide forecasting is more accurate than national forecasting, this can compensate the welfare loss arising from the use of union-wide aggregation. We conclude, however, that there is a strong case for using national information in the optimal design of the common monetary policy. [fre] Cette contribution se propose d’examiner d’un point de vue théorique comment le choix entre deux stratégies monétaires est infléchi par la présence d’une incertitude de type additif dans une union monétaire où prévaut par ailleurs une hétérogénéité sur le plan de la transmission de la politique monétaire. On montre que l’intérêt des autorités est en général de recourir à l’utilisation de données nationales, tant au niveau de l’élaboration de la stratégie elle-même que de celui du mode de calcul des prévisions qui leur sont associées dans un tel contexte.
(This abstract was borrowed from another version of this item.)

Suggested Citation

  • P. de Grauwe & Marc-Alexandre Sénégas, 2006. "Asymétries de transmission, incertitude additive et stabilisation monétaire en UEM : les enseignements d'un modèle théorique," Post-Print hal-00150389, HAL.
  • Handle: RePEc:hal:journl:hal-00150389
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