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Effets macro-économiques de la politique du prix de l'eau d'irrigation en Tunisie

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  • Chokri Thabet
  • Bob Macgregor
  • Yves Surry

Abstract

[eng] Economy-wide effects of irrigated water pricing policy in Tunisia. . In this article, we examine the impacts of a change in water pricing on Tunisia's agriculture sector and the rest of the economy. For this purpose, we built a computable general equilibrium (CGE) model with five production sectors : irrigated and rainfed agriculture, production and distribution of drinkable water, manufacuring and services. Three different scenarios are assessed. The first one assumes a 10% increase in the price of irrigated water. The second scenario consists of simulating a significant increase (30 %) in non-agricultural water demand by 2010. The last scenario combines the previous two. Simulation results indicate that: i)Tunisia's agricultural sector would be able to absorb, over the longer term, the effects of an increase in the price of irrigated water, ii) the government budget deficit would shrink, and iii) farm and urban households welfare would improve. [fre] Dans cet article, nous examinons les impacts d'un changement de la tarification de l'eau d'irrigation sur l'agriculture tunisienne et le reste de son économie. À cet effet, nous construisons un modèle d'équilibre général calculable (egc) couvrant cinq secteurs d'activité (les agricultures irriguée et pluviale, la production et la distribution d'eau potable, les industries et les services). À l'aide de cet outil, nous avons conduit trois scénarios. Le premier suppose une augmentation du prix de l'eau d'irrigation de 10 %. Le second consiste à simuler une augmentation importante des besoins non agricoles en eau à l'horizon de l'an 2010 (30 %). Le dernier scénario est une combinaison des deux précédents. Les résultats montrent que l'agriculture tunisienne semble absorber à long terme les effets d'une augmentation du prix de l'eau d'irrigation avec une résorption du déficit public et une amélioration du bien être des ménages urbains et ruraux.

Suggested Citation

  • Chokri Thabet & Bob Macgregor & Yves Surry, 1999. "Effets macro-économiques de la politique du prix de l'eau d'irrigation en Tunisie," Économie rurale, Programme National Persée, vol. 254(1), pages 28-35.
  • Handle: RePEc:prs:recoru:ecoru_0013-0559_1999_num_254_1_5136
    DOI: 10.3406/ecoru.1999.5136
    Note: DOI:10.3406/ecoru.1999.5136
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    References listed on IDEAS

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    1. Hans Löfgren & Sherman Robinson, 1999. "Nonseparable Farm Household Decisions in a Computable General Equilibrium Model," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 81(3), pages 663-670.
    2. Decaluwe, Bernard & Patry, André & Savard, Luc, 1997. "Quand l'eau n'est plus un don du ciel: un MEGC appliqué au Maroc," Cahiers de recherche 9716, Université Laval - Département d'économique.
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