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Analyse des fluctuations annuelles du revenu agricole belge. Incidence du progrès technique et des variations de prix, 1954-1972

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  • A. Thonon

Abstract

[fre] Le revenu agricole varie d'année en année, parfois de manière très importante. Ces fluctuations de revenu sont causées, d'une part par les fluctuations des prix des facteurs et des produits et, d'autre part, par les variations des quantités des facteurs employés et des produits obtenus. . Cet article a pour objet d'estimer l'impact sur le revenu agricole de chacune de ces quatre composantes. La méthode des surplus et celle des indices montrent que les fluctuations de prix ont un impact majeur et direct sur le revenu agricole. Le progrès technique, bien que responsable de 66 % de l'augmentation du volume de la production, n'a qu'une incidence secondaire sur le revenu agricole. Tout accroissement de la production exerce en effet une influence dépressive sur les prix, de sorte que le revenu agricole ne s'en trouve pratiquement pas affecté. Par ailleurs, le progrès technique réduit considérablement les besoins en main- d'oeuvre, de sorte que le revenu est à partager d'année en année entre un nombre de plus en plus restreint de personnes. L'accroissement annuel moyen du revenu par unité de travail (+ 11 %) est imputable pour 49 % à la réduction de l'effectif, pour 40 % aux variations de prix et pour 11 % seulement au progrès technique. [eng] An analysis of the annual variations in farm income in belgium (the influence of technical progress and price variations 1954-1972) - Farm income varies from year to year, sometimes considerably. These variations in income are caused, on one hand, by input and output price variations, and on the other hand, by the variations in the quantity of input required and of the output obtained. . This article intends to try to evaluate the impact on farm income of each of these four factors. The method of surpluses and price indexes shows that the variations in price have a major, direct impact on farm income. Technical progress, though responsible for 66 % of the increase in volume of production, has only a secondary influence on farm income. Any increase in production has an adverse influence on prices, so that farm income is practically unaffected by it. Moreover, technical progress considerably reduces the need for labour so that the income is from year to year to be divided among an ever smaller number of persons. 49 % of the average annual increase in income per labour unit (+ 11 %) can be attributed to the reduction in personnel, 40 % to the variations in prices and only 11 % to technical progress.

Suggested Citation

  • A. Thonon, 1976. "Analyse des fluctuations annuelles du revenu agricole belge. Incidence du progrès technique et des variations de prix, 1954-1972," Économie rurale, Programme National Persée, vol. 114(1), pages 9-17.
  • Handle: RePEc:prs:recoru:ecoru_0013-0559_1976_num_114_1_2428
    DOI: 10.3406/ecoru.1976.2428
    Note: DOI:10.3406/ecoru.1976.2428
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