Abstract: In this paper,we consider a single-supplier multi-retailers supply chain with single-product facing price-sensitive deterministic demand,and the supplier has complete information about retailers’ cost structure,the retailers have same cost structure.We examine strategic alliances among retailers acquiring decision rights leadership,and study the reflection of the strategic alliances among on the performance of retailers in and out of the alliance,the supplier and the total supply-chain.It is shown that the strategic alliances retailers can’t be profitable to all members of the supply-chain,but may be profitable to some members of the supply-chain in some case.

Key words: operating cost, decision right leadership, strategic alliances, performance