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Conceptualisation de la simulation dans l'analyse macroéconomique

Author

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  • Jacques Fontanel

Abstract

[fre] Le terme simulation a perdu sa rigueur conceptuelle. L'auteur propose une conceptualisation et une typologie nouvelles des méthodes de simulation ap­plicables à l'analyse macroéconomique. Trois types de simulation sont définis :. ― La simulation des résultats se présente comme l'interprétation numérique, réalisée sur ordinateur, d'un modèle économique.. ― La simulation informaticielle se définit sommairement comme l'union de l'informatique, de l'économétrie, de l'analyse numérique, et de « quelque chose de plus » ; ce « quelque chose de plus » se trouve aux confins de la méthodologie (analyse dynamique, validation des modèles, automatisation des expériences), mais pour des simulations plus évoluées, la formation économétrique perd de son importance au profit de la programmation et de l'organigramme logique.. ― La simulation semi-informaticielle se différencie de la précédente par l'objectif pédagogique qui l'anime, par la réduction de l'importance accordée à la validation des modèles et par la nécessité de décisions à chaque étape du processus de la simulation.. L'auteur s'efforce alors de montrer combien cette conceptualisation peut aisé­ment s'appliquer à quelques simulations macroéconomiques très connues (Klein-Goldberger, fifi, O.B.E., Holland Gillespie, Paelinck - de Biolley, Broockings Institution...). [eng] The word « simulation » has lost its conceptual strictness. The author proposes both new conceptualization and typology of simulation methods applied to macroeconornic analysis. Three types of simulation are defined :. ― « Simulation of results » is a numerical interpretation of an economic model, realized on a computer,. ― « Computer simulation » is briefly defined as union of computer, econometrics, numerical analysis and « something more » ; this « something more » is located at the lirait of the methodology (dynamic analyste, validation of models, automatization of experiments) ; but, for more sophisticated simulation, the econometric formalization loses its importance as compared to programmation. and flow chart.. ― « Quasi-computer simulation » differs from the former by its pedagogical aim, the reduced importance given to the validation of the model and by the obligation of decision at each step of the process of simulation. The author tries then to show hoiv these conceptualization can easily be applied to some well-known macroeconornic simulation models (Klein-Goldberger, Fin, O.B.E., Holland-Gïllespie, Paelinck - de Biolley, Broockings Institution...).

Suggested Citation

  • Jacques Fontanel, 1977. "Conceptualisation de la simulation dans l'analyse macroéconomique," Revue Économique, Programme National Persée, vol. 28(3), pages 419-448.
  • Handle: RePEc:prs:reveco:reco_0035-2764_1977_num_28_3_408329
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    Cited by:

    1. Jacques Fontanel, 1982. "The impact of military expenditure on the Moroccan economy," Post-Print hal-03264817, HAL.
    2. Jacques Fontanel, 1982. "Introduction. Military expenditures and Economic Growth (France, Morocco)," Post-Print hal-03264692, HAL.
    3. Jacques Fontanel, 1982. "The impact of military expenditure on the French economy," Post-Print hal-03264889, HAL.

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