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L'utilisation des enquêtes de conjoncture pour modéliser et prévoir la production industrielle

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  • Christian Vasseur
  • Henri Sterdyniak

Abstract

[eng] Industrial production level forecasting is of prime importance for short-term analysis. This article points out how important inventory movements are in fluctuations of production ; but the evolution of inventories is not well known since it can only be measured by difference. Four methods to study short horizon stocking and production behavior are compared, using the INSEE business surveys. It is not possible to show directly the theoretical schema by which producers would adjust their stocks to a standard level. But on the other hand, a considerable amount of the movements of stocks may be explained using the stocks surveys and the non-expected fluctuations of sales. Finally it appears that firms have the means of reacting almost completely to sales fluctuations on a quarterly horizon, which throws a shadow of doubt on the interest of the « expected production » survey. But important fluctuations of inventory movements remain unexplained. [fre] La prévision du niveau de la production industrielle est au cœur de l'analyse conjoncturelle. L'article montre l'importance du rôle des variations de stocks dans les fluctuations de court terme de la production ; mais l'évolution des stocks est mal connue puisque statistiquement on ne peut la mesurer que par solde. On compare ensuite quatre méthodes dont disposent les conjoncturistes pour analyser les comportements de stockage et de production à horizon rapproché, en utilisant les enquêtes de conjoncture de I' INSEE. Il n'est pas possible de mettre en évidence directement le schéma théorique où les industriels ajusteraient leurs stocks à un niveau de référence. Par contre une part notable des fluctuations de stocks peut être expliquée à partir de l'enquête stocks et des fluctuations non anticipées de la demande hors stocks. Enfin il apparaît qu'à horizon trimestriel les entreprises ont la capacité de réagir quasi-complètement aux fluctuations de la demande, ce qui jette un doute sur l'intérêt de l'enquête « production prévue ». Mais des fluctuations importantes des variations de stocks restent inexpliquées.

Suggested Citation

  • Christian Vasseur & Henri Sterdyniak, 1984. "L'utilisation des enquêtes de conjoncture pour modéliser et prévoir la production industrielle," Revue de l'OFCE, Programme National Persée, vol. 7(1), pages 171-187.
  • Handle: RePEc:prs:rvofce:ofce_0751-6614_1984_num_7_1_984
    DOI: 10.3406/ofce.1984.984
    Note: DOI:10.3406/ofce.1984.984
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    Cited by:

    1. Henri Sterdyniak & Marie-Annick Boudier & Michel Boutillier & Françoise Charpin & Bruno Durand, 1984. "Le modèle trimestriel de l'OFCE," Revue de l'OFCE, Programme National Persée, vol. 9(1), pages 137-178.
    2. Frank Amalric & Alain Gubian & Pierre-Alain Muet, 1990. "Modèles de déséquilibre et échanges extérieurs : deux approches appliquées au secteur industriel français," Économie et Prévision, Programme National Persée, vol. 94(3), pages 129-140.
    3. repec:hal:spmain:info:hdl:2441/5273 is not listed on IDEAS

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