May the pro-poor impacts of trade liberalisation vanish because of imperfect information ?

Boussard Jean-Marc, Gérard Françoise, Piketty Marie-Gabrielle, Christensen Ane-Kathrine, Voituriez Tancrède. 2003. May the pro-poor impacts of trade liberalisation vanish because of imperfect information ?. In : Reshaping Agriculture's Contributions to Society : 25th International Conference of Agricultural Economists, Durban, South Africa, 16-22 August 2003. IAAE. s.l. : s.n., 14 p. International Conference of Agricultural Economists. 25, Durban, Afrique du Sud, 16 August 2003/22 August 2003.

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Autre titre : Les impacts positifs pour les pauvres de la libéralisation du commerce peuvent-ils disparaître du fait d'une information imparfaite ?

Abstract : In this paper, we try to evaluate the change in welfare gains and their distribution due to trade liberalization when imperfect information is considered. The results of two versions of a computable general equilibrium (CGE) model, using GTAP database and representing goods as well as capital flows, are compared. In the firt one, a standard world CGE approach is followed. In the second version we include risk aversion, imperfect information and production lag in the agricultural sector. After a brief description of the two versions, changes in welfare, represented by the income of two types of household (middle-low and middle-high) in three regions (Europe, United States, Rest of the World) after agricultural trade liberalization are presented. Theoritical and political consequences of the results are discussed (Résumé des auteurs)

Mots-clés Agrovoc : Libéralisation des échanges, Marché des produits de base, Modèle mathématique, Bien-être social, Prix, Pauvreté, Distribution économique

Classification Agris : E51 - Rural population
E71 - International trade

Auteurs et affiliations

  • Boussard Jean-Marc, INRA (FRA)
  • Gérard Françoise, CIRAD-AMIS-ECOPOL (FRA)
  • Piketty Marie-Gabrielle, CIRAD-AMIS-ECOPOL (BRA)
  • Christensen Ane-Kathrine, OCDE (FRA)
  • Voituriez Tancrède, CIRAD-AMIS-ECOPOL (FRA)

Source : Cirad - Agritrop (

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