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Stabilité de la structure des coefficients techniques: Approche par un estimateur hybride
[Stability of the Structure of the Technical Coefficients: Hybrid Estimator Approach]

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Author Info
Laye, LATIF
Laye, OUMY
Laye, DIAMA

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Abstract

Les comptes nationaux ont été, pendant longtemps, l’une des préoccupations majeures dans la production de statistiques économiques au sein de l’administration publique sénégalaise. Les travaux de la comptabilité nationale s’intéressent beaucoup à la production statistique des comptes et d’autres tableaux synthétiques comme le Tableau Economique d’Ensemble et le Tableau des Entrées Intermédiaires (TEI). Le TEI, conçu grâce à la détermination des coefficients techniques, met en exergue les interrelations entre les différentes branches d’activités. La présente étude s’inspire des travaux de Leontief [1927] sur les modèles input-output et propose une démarche synthétique permettant de calculer des coefficients techniques robustes, ainsi que leurs intervalles de confiance. Les données utilisées proviennent d’une compilation des Tableaux Entrées Sorties (TES) de 1980 à 2004. Pour assurer la robustesse des résultats, un estimateur hybride, combinaison optimale de la moyenne et de la médiane a été privilégié. Les résultats obtenus mettent en évidence, une bonne adéquation entre les intervalles estimés et les données réelles observées. Les simulations faites dans le cas d’une flambée du prix du baril en 2005, répliquent assez bien la réalité observée dans la structure économique au Sénégal.

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Publisher Info
Paper provided by University Library of Munich, Germany in its series MPRA Paper with number 3655.

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Date of creation: 20 Jun 2007
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Handle: RePEc:pra:mprapa:3655

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Related research
Keywords: Estimateur hybride; coefficients techniques; modèle input output;

Find related papers by JEL classification:
E27 - Macroeconomics and Monetary Economics - - Macroeconomics: Consumption, Saving, Production, Employment, and Investment - - - Forecasting and Simulation
E2 - Macroeconomics and Monetary Economics - - Macroeconomics: Consumption, Saving, Production, Employment, and Investment
E23 - Macroeconomics and Monetary Economics - - Macroeconomics: Consumption, Saving, Production, Employment, and Investment - - - Production
E20 - Macroeconomics and Monetary Economics - - Macroeconomics: Consumption, Saving, Production, Employment, and Investment - - - General (includes Measurement and Data)

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  1. Kaser, Michael, 1990. "The Technology of Decontrol: Some Macroeconomic Issues," Economic Journal, Royal Economic Society, vol. 100(401), pages 596-615, June. [Downloadable!] (restricted)
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