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The present study which started in 1999 is framed in the INCOYAM project. Marketing systems of yam are analyzed in … financing. This situation did not allow establishing an equilibrated comparison of yam marketing systems. The three countries … commercialize a similar product but their marketing systems and the structures of their marketing chain varies from one country to …
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(VF)Partant d’une description de la survie des alliances et de l’apprentissage d’expériences des partenaires par la symbolique de Janus et de Sisyphe, cet article revient sur l’évaluation du taux de survie des alliances et teste l’impact de l’apprentissage d’expériences sur ce...
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In Tunisia, the apples occupy a significant place on the sector of perennial crops. This cropcovered expanded areas during the eighties following an extensive use of efficient waterequipments. However, significant seasonal and annual variation of fruit supplies in thedomestic market were...
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Agricultural price volatility is "bad". But where does it come from? Remedies are completely different for "endogenous" or "exogenous" fluctuations. The recent crisis seems to indicate that exogenous remedies have been applied to endogenous fluctuations.
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