Profit variety for inventory decision changing in supply chain under fuzzy demand environment

In this paper, it is investigated for the profit variety in supply chain when inventory decision changes from downstream to upstream, and in which the demand of market is assumed to be a fuzzy variable. Firstly, the profit variety of retailer and supplier are compared when the inventory decision changes from retailer to supplier, respectively. Then, some propositions are given for improving the profit of the retailer and the supplier in supply chain. Finally, the future research direction are discussed.