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Non-linéarité de la fonction de réaction des autorités monétaires tunisiennes

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  • Samira Haddou

Abstract

[eng] This paper examines the behavior of the Central Bank of Tunisia in the conduct of its monetary policy. To this end, a Taylor rule for the interest rate is estimated using a smooth-transition regression model over the period 1990-2008. We find that the Central Bank’s reaction function is nonlinear, convex with regard to inflation, concave with regard to the output gap, and that inflation aversion outweighs recession aversion. The main policy implication of these findings is that inflation and recession risks facing monetary policy-makers spur the Central Bank to pursue a risk-management policy for its key rate. [fre] L’objectif de cet article est d’étudier le comportement de la Banque centrale de Tunisie dans la conduite de sa politique monétaire. À cette fin, une règle de Taylor pour le taux d’intérêt est estimée en utilisant un modèle de régression à transition lisse sur la période 1990-2008. Les résultats suggèrent que la fonction de réaction est non-linéaire, convexe par rapport à l’inflation , concave par rapport à l’écart de production, et que l’aversion contre le risque d’inflation domine l’aversion contre le risque de récession. Ces résultats indiquent que les risques d’inflation et de récession qui guettent la conduite de la politique monétaire incitent la banque centrale à mettre en œuvre une approche de la politique en termes de gestion de risque quant à la manipulation de son taux directeur.

Suggested Citation

  • Samira Haddou, 2010. "Non-linéarité de la fonction de réaction des autorités monétaires tunisiennes," Économie et Prévision, Programme National Persée, vol. 195(4), pages 99-110.
  • Handle: RePEc:prs:ecoprv:ecop_0249-4744_2010_num_195_4_8063 Note: DOI:10.3406/ecop.2010.8063
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    References listed on IDEAS

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