【摘要】 本文对Leontief投入产出模型的假设条件:每一个部门只有一种产品,加以取消,得到了改进的投入产出模型。Leontief投入产出模型是改进的投入产出模型的退化情形。新的投入产出模型具有广泛的应用性。更多还原

【Abstract】 In this paper,we established a new input-output model.This new model hasn′t the key hypothesis of Leontief′s input-output model which hypothesizing as if there is only one product in every department.Leontief′s model became the special case of the new model.The improved input-output model has wide uses.更多还原