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MICMAC : un logiciel micro-informatique pour l'analyse macroéconomique

Author

Listed:
  • Pierre-Alain Muet
  • Eric Bleuze
  • Christian Giraud

Abstract

[fre] MICMAC est un logiciel Micro-informatique destiné à l'enseignement et à l'étude de la modélisation Macroéconomique. Elaboré à l'Observatoire français des conjonctures économiques, il s'appuie sur des enseignements, réalisés notamment à l'Ecole polytechnique et au Centre d'étude des programmes économiques. Le logiciel s'adresse également aux économistes d'entreprises qui désirent d'une part se familiariser avec la modélisation macroéconomique, d'autre part obtenir rapidement des ordres de grandeurs plausibles pour étudier l'impact de diverses mesures de politique économique ou d'aléas relatifs à l'environnement international (variation des cours du change, du prix du pétrole, de la croissance mondiale...). L'article présente trois utilisations usuelles du logiciel : 1 ) La réalisation de variantes. La variante étudiée est une relance de l'investissement public et son impact macroéconomique selon le mode de financement retenu : monétaire ou obligataire. 2 ) L'étude de la sensibilité de certains résultats à la valeur des coefficients d'un modèle. Deux exemples sont présentés : l'impact respectif des politiques d'offre et de demande selon la sensibilité de l'investissement à la demande et aux profits et l'impact macroéconomique d'une dévaluation selon la valeur des paramètres de la boucle prix-salaires. 3 ) L'analyse d'une politique budgétaire : on reprend avec le logiciel MICMAC l'étude de l'impact macroéconomique du budget de 1987, étude réalisée antérieurement avec le modèle OFCE-trimestriel. [eng] MICMAC : A Micro-Processing Software for the Macroeconomic Analysis Pierre-Alain Muet, Eric Bleuze, Christian Giraud MICMAC is a « Micro-processing program » developed for studying Macroeconomic modelling. Built by OFCE, it is based upon research undertaken in particular at the « Ecole Polytechnique » and at the « Centre d'étude des programmes économiques ». The program is appropriate for economists who wish, on the one hand to undertake macroeconomic modeling and also, on the other hand, for those who need to obtain plausible values for economic figures. This should be a first step before studying the impact of various measures of the economic policy or risks related to the international environment, such as exchange rate variation, the oil price, or world growth. The paper presents three possibilities of using the software. 1) Making variants. The variant studied in this article is an increase in public investment and its impact according to the type of financing selected : monetary or public-debt. 2) Studying the sensitivity of results depending on values for certain coefficients. Two examples are considered : first, the respective impact of supply and demand policies according to the sensitivity of investment for demand and profits ; and second, the macroeconomic impact of a depreciation according to the parameters of the wage-price relation. 3) Analysing a budget policy : MICMAC is used to the macroeconomic impact of the 1987 budget previously made with the OFCE quarterly model, is presented with MICMAC.

Suggested Citation

  • Pierre-Alain Muet & Eric Bleuze & Christian Giraud, 1987. "MICMAC : un logiciel micro-informatique pour l'analyse macroéconomique," Revue de l'OFCE, Programme National Persée, vol. 21(1), pages 237-259.
  • Handle: RePEc:prs:rvofce:ofce_0751-6614_1987_num_21_1_1113
    DOI: 10.3406/ofce.1987.1113
    Note: DOI:10.3406/ofce.1987.1113
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