关键词: 两阶段决策, 物流, 任务联盟, 协同, 优化

Abstract: To discuss the optimization of suppliers'logistics task operation by logistics company, the logistics task alliance included two suppliers，one trade association and one logistics service company was regarded as the study object and a two-stage decision-making model which consisted of the logistics task utility model and the Shapley distribution model with cost-revision was set up. In the first phase, the logistics task utility model was used to analyze the decision-making mechanism of suppliers'transversal collaboration in outsourcing the logistics task and the resource allocation optimization by the logistics service company to finish this logistics task. In the second phase, the modified Shapley distribution model was used to discuss allocation of alliance's collaborative profits. Finally, an example was given to testify the model. Results showed that if the suppliers outsourced the logistics task collaboratively instead of separately, the logistics task operation cost of logistics company was reduced while the whole alliance's benefit was increased. The reasonable distribution of increased profit by logistics company among members could improve all firms'revenue.

Key words: two-stage decision-making, logistics, task alliance, collaboration