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...

Within a multi-sectoral general equilibrium framework, we explicitly model either competitive or Cournot oligopolistic commodities market structures. The model is used to assess the impact of trade liberalization on Tunisia economy. We show that the results are different from those obtained with...

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.