Children are seldom accounted for in household behavioural models. They are usually assumed to have neither the capacity nor the power to influence the household decision process. The literature on collective models has so far incorporated children through the caring preferences of their parents...

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...