L'offre de cultures commerciales en économie de pénurie

Jean-Claude Berthélemy, Jean-Paul Azam () and Christian Morrisson

Revue Économique, 1991, vol. 42, issue 3, 553-574

Abstract: [eng] Cash crops supply in rationed economies. . The positive effect of inputs and consumer goods supply on cash crops production is now well known. This paper presents in a model the three cases for manufactured goods supply : rationed market, parallel market and market where these goods are available without restraint. According to the situation, an increase of cash crops real priee has a negative, a dubious or a positive effect on cash crops supply. The existence of these effects has been tested in four African countries (Ghana, Madagascar, Mozambique and Tanzania) where manufactured goods are rationed. The model is confirmed by this econometric analysis : according to the situation, cash crops real priee has a negative, dubious or a positive effect on cash crops supply whereas the supply of manufactured goods has always a positive effect. [fre] L'offre de cultures commerciales en économie de pénurie. . Le rôle stimulant de l'offre d'intrants et de biens de consommation sur la production agricole est désormais reconnu. Cet article présente un modèle qui considère les trois situations possibles : celle de rationnement, celle de marché parallèle et celle où les biens sont disponibles sur le marché officiel. Selon ces trois cas, une hausse de prix agricole a un effet négatif, incertain ou positif sur la production agricole commercialisée. Ce modèle a été appliqué à quatre pays africains caractérisés par des situations de pénuries, le Ghana, Madagascar, le Mozambique et la Tanzanie. Les résultats sont en accord avec le modèle en ce qui concerne l'effet des prix agricoles et l'offre de biens manufacturés a toujours un effet stimulant sur la production agricole.

Date: 1991
Note: DOI:10.3406/reco.1991.409293
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