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Programmation dynamique et planification macro-économique

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  • Jean Fericelli

Abstract

[fre] La planification macro-économique à moyen terme est un processus de nature séquentielle, justiciable d'une formalisation en termes de programmation dynamique. Dans l'état actuel des choses, la présentation du Plan sous forme de programme dynamique constituerait un outil puissant. La programmation dynamique permet en effet, à chaque moment du déroulement du processus planifié, de dénombrer, de spécifier les politiques alternatives et de dégager, pour toute période planifiée, la politique optimale. Technique privilégiée de choix, la programmation dynamique l'est encore pour faciliter au planificateur l'allocation du Produit National entre les grands agrégats, l'allocation interrégionale et inter sectorielle des ressources et les choix entre les techniques concurrentes. De même, pour ce qui concerne l'avenir, la mise en forme de programme dynamique des Plans est une condition nécessaire de perfectionnement en matière de planification. Elle conditionne, en effet, l'utilisation dans les modèles de planification de la théorie de la croissance optimale, l'application de la théorie du contrôle et l'automatisation plus ou moins complète des modèles, voire, dans un avenir plus lointain, la possibilité de mise en œuvre du pilotage automatique par le Plan. [eng] Medium-term macroeconomic planning is a sequential-type process, amenable to expression in terms of dynamic programming. As things stand at present, presentation of the Plan in the form of a dynamic programme would constitute a very effective instrument. Dynamic programming in fact makes it possible, at any given moment during operation of the planned process, to enumerate and specify alternative policies, and to work out optimal policy for the whole of the period planned. Being a superior technique of selection, dynamic programming is also apt for facilitating the task of the planner in allocating the National Product to the main aggregates, in allocating resources to regions and sectors and in choosing between competitives techniques. Thus, as far as the future is concerned, formal dynamic programming of Plans is a precondition of perfected planning. In fact it is essential for the employment of the theory of optimal growth in planning models, the application of the theory of control and the more or less complete automation of models, and even ; in the more distant future, the possibility of introducing automatic piloting by means of the Plan.

Suggested Citation

  • Jean Fericelli, 1969. "Programmation dynamique et planification macro-économique," Revue Économique, Programme National Persée, vol. 20(2), pages 235-271.
  • Handle: RePEc:prs:reveco:reco_0035-2764_1969_num_20_2_407860
    DOI: 10.3406/reco.1969.407860
    Note: DOI:10.3406/reco.1969.407860
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