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De la dépréciation nominale à la dépréciation réelle : les facteurs d'effectivité des dévaluations dans les pays africains

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  • Patrick Guillaumont
  • Sylviane Guillaumont Jeanneney

Abstract

[eng] From nominal to real depreciation : the factors of african devaluations effectiveness. . Many developing countries used devaluations in order to depreciate their real exchange rate. The degree of devaluation effectiveness, i.e. how much nominal depreciation leads to real depreciation, is here assumed to depend mainly on the ways and means of the devaluation : it is stronger the lower the total devaluation and the more concentrated in time it is. Real depreciation also depends on the level of initial distorsions. The model is tested on a sample of thirty-nine developing countries, and a sub-sample of twenty African countries. It appears to have a good explanatory power, higher than that of a competing model where real exchange depreciation is a function of socio-political varia- blés. The appropriate model for African countries does not differ from that of other countries. [fre] Les dévaluations nombreuses opérées dans les pays en développement ont pour but principal de modifier le taux de change réel On suppose ici que effecti- vité des dévaluations est-à-dire la mesure dans laquelle la dépréciation nomi nale se transforme en dépréciation réelle dépend principalement des modalités mêmes de la dévaluation effectivité est autant plus forte que ampleur totale de la dévaluation est faible et que la dévaluation se produit de fa on concentrée dans le temps La dépréciation réelle dépend en outre de importance des distor sions initiales Le modèle est appliqué un échantillon de trente-neuf pays en développement et un sous-échantillon de vingt pays africains Il avère avoir un pouvoir explicatif élevé bien meilleur que celui un modèle concurrent où la variation du taux de change réel est fonction de variables sociopolitiques Les réactions des pays africains ne diffèrent pas de celles des autres pays

Suggested Citation

  • Patrick Guillaumont & Sylviane Guillaumont Jeanneney, 1995. "De la dépréciation nominale à la dépréciation réelle : les facteurs d'effectivité des dévaluations dans les pays africains," Revue Économique, Programme National Persée, vol. 46(3), pages 751-762.
  • Handle: RePEc:prs:reveco:reco_0035-2764_1995_num_46_3_409685
    DOI: 10.3406/reco.1995.409685
    Note: DOI:10.3406/reco.1995.409685
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    References listed on IDEAS

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    1. Edwards, Sebastian, 1994. "The Political Economy of Inflation and Stabilization in Developing Countries," Economic Development and Cultural Change, University of Chicago Press, vol. 42(2), pages 235-266, January.
    2. Christian Morrisson & Jean-Dominique Lafay & Sébastien Dessus, 1993. "La faisabilité politique de l'ajustement dans les pays africains," OECD Development Centre Working Papers 88, OECD Publishing.
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    1. Carl Grekou, 2014. "On the effectiveness of devaluations in emerging and developing countries," EconomiX Working Papers 2014-61, University of Paris Nanterre, EconomiX.

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