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Projections à moyen terme et incertitude économique

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  • Patrick Roux-Vaillard
  • Catherine Girardeau

Abstract

[spa] Proyecciones a medio plazo e incertidumbre económica - Los períodos de coyuntura tropezosa plantean problemas para los trabajos de proyección a medio plazo; los nuevos problemas económicos planteados impulsan aadaptar modelosy, en elcaso présente, el modelo fîsico financiero comúnmente llamado modelo FIFI, asi como arevisar las condiciones de su aplicación. Las diversas proyecciones centrales elaboradas facilitan una ilustración de las dificultades encontradas. . • La primera cuenta se elaboró en 1973 antes del alza de precios petroleros; el crecimiento a medio plazo se revela en dicha cuenta azaroso, mayormente debido a la inflación. Desde la cuenta de mayo de 1974 hasta las cuentas equilibradas de julio de 1974, se plantea una interrogante sobre la forma de combatir de manera duradera el déficit exterior. . • En 1975, dos cuentas bastante contrastadas especiflcan las dudas relativas a crecimiento. Por ultimo, la cuenta de abril de 1976 desprende las condiciones de un crecimiento deseable. Más que esas diversas proyecciones, es mayormente la utilización del modelo « en variante» el que promovió a reflexionar en materia económica. [eng] Medium-term forecasts and economic uncertainty -The periods of clashing circumstances raise difficulties for medium-term forecasts : the new economic problems which come into view compel to adapt the models and to revise the conditions of their application. In the present circumstances the physical-financial model, usually known; as FiFI model, is in question. The different central projections elaborated give a picture of the difficulties met with. . • The first account was made up in 1973 before rise in price of oil; inflation essentially threatened medium-term growth. . • From May 1 974's account and up to the equilibrated accounts of July 1 974, the methods allowing . to improve, once for all, external deficit were examined. . • In 1975, two rather contrasting accounts symbolized growth uncertainty. Finally, the account of April 1976 draws the conditions of a desirable growth. But even more than these various projections, simulations based on different variables raised up economic thinking. [fre] Les périodes de conjoncture heurtée rendent très délicats les travaux de projection à moyen, terme; les problèmes économiques nouveaux qui surgissent obligent à adapter, les modèles, en l'occurence ici le modèle physico-financier (FIFI) et à en revoir les conditions d'utilisation. Les différentes projections centrales élaborées illustrent les difficultés rencontrées. . • Le premier compte est établi en 1973 avant le renchérissement du pétrole : la croissance à moyen terme y apparaît menacée en priorité par l'inflation.. • Du compte de mai 1974 aux scénarios équilibrés de juillet 1974 on s'interroge sur la façon de combler durablement le déficit extérieur. . • En 1975, deux comptes assez contrastés symbolisent l'incertitude sur la croissance. • Enfin le compte d'avril 1976 dégage les conditions d'une croissance souhaitable. Mais plus encore que ces différentes projections, c'est surtout l'utilisation du modèle en variante qui a suscité la réflexion économique.

Suggested Citation

  • Patrick Roux-Vaillard & Catherine Girardeau, 1976. "Projections à moyen terme et incertitude économique," Économie et Statistique, Programme National Persée, vol. 84(1), pages 9-16.
  • Handle: RePEc:prs:ecstat:estat_0336-1454_1976_num_84_1_2387
    DOI: 10.3406/estat.1976.2387
    Note: DOI:10.3406/estat.1976.2387
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