因此，经济批量模型假设的前提条件并不完全成立，经济订货批量的计算公式也就需要改进。
Therefore, suppose the presupposition of economic batch quantity model not to be completely established, its calculating formula shall be needed to be modified.
根据分析模型的支付变量，提出了社会福利博弈模型成立的必须满足的八个前提条件，并通过构建失业者边际效用模型对该模型成立的适应性进行了论证和说明。
This article analyzes the model according to the payment variable, points out the eight premises, and demonstrates them by building marginal utility model of unemployed men.
根据分析模型的支付变量，提出了社会福利博弈模型成立的必须满足的八个前提条件，并通过构建失业者边际效用模型对该模型成立的适应性进行了论证和说明。
This article analyzes the model according to the payment variable, points out the eight premises, and demonstrates them by building marginal utility model of unemployed men.
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