Industrial Engineering Journal ›› 2013, Vol. 16 ›› Issue (3): 50-56.

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A Coal Supply Chain Network Equilibrium Model in Multi-Commodity and Multi-Modal Transport

  

  1. School of Traffic and Logistics, Southwest Jiaotong University,Chengdu 610031, China
  • Online:2013-06-29 Published:2013-10-28

Abstract: In this paper, a coal supply chain network is addressed, where transport capacity and storage capacity of a coal enterprise are restricted. For such a supply chain network, a supply chain network equilibrium model is established. By analyzing independent decisions of the coal producers, vendors, demand markets, and the effect of their interaction, conditions for achieving an equilibrium state are solved by using the variable inequality theory. Hence, coal trade volume and prices for different decisionmakers in the system are determined. Finally, through solving numerical examples,a conclusion is obtained that logistics service level affects the equilibrium relationship of the supply chain network.

Key words: supply chain network, coal enterprise, equilibrium, variable inequality