The Optimal Procurement Strategies for Online Spot Markets with B2B E-Market

The forward contracts have recently emerged for a broad range of commodities and many companies have started to utilize them in addition to their traditional procurement via B2B e-market. This kind of procurement makes the most of the convenience of online e-market and function of risk evasion via forward contracts. We develop and solve mathematical models that determine the optimal order proportion to purchase via forward contracts and the optimal proportion to purchase via online spot e-markets. Considering the time value of the fund, this paper analyzes the pricing of the forward contract upon the floating interest rate. Based on the pricing of the forward contracts, we can make further analysis on the decision model of the enterprises´ procurement strategy in B2B e-market.