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Le système d'informations économiques d'une Banque centrale européenne et le principe de subsidiarité

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  • Bertrand Crettez

Abstract

[fre] La question analysée dans cet article est : une Banque centrale européenne doit-elle disposer de son propre système de collecte et de traitement de l'information économique ou bien peut-elle se reposer sur les États membres de l'Union économique et monétaire ? Autrement dit, le principe de subsidiarité doit-il s'appliquer à la collecte des informations économiques ? Le principal inconvénient d'un système décentralisé est que les États membres ont la possibilité de manipuler les informations qu'ils transmettent à la banque en vue de modifier son comportement. Nous modélisons les relations entre la Banque centrale européenne et les États membres par un jeu en informations incomplètes. Nous montrons que si les objectifs de la Banque et des États ne diffèrent pas trop les informations transmises à l'équilibre du jeu sont exactes. Dans ce cas, le principe de subsidiarité s'applique avec efficacité. [eng] This paper addresses the following question : should a european central bank have its own information system or should it rely on the informations provided by the member-states of a european economic and monetary union ? To put it differently : does the subsidiarity principle applies to the system of informations ? The main disadvantage of a decentralized system is that the member-states are able to manipulate the informations given to the bank in order to change its policy. We construct a model of the relations between the central bank and the member-states ; to do so we make use of a game with incomplete informations. We show that if the objectives of the bank and the member-states are not to different then the economic informations given to the central bank in equilibrium are exact. In this case, the principle of subsidiarity applies efficiently.

Suggested Citation

  • Bertrand Crettez, 1998. "Le système d'informations économiques d'une Banque centrale européenne et le principe de subsidiarité," Revue Économique, Programme National Persée, vol. 49(4), pages 989-1003.
  • Handle: RePEc:prs:reveco:reco_0035-2764_1998_num_49_4_410027
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