Profit allocation of multi-suppliers supply chain based on Shapley value

In review of the four-level supply chain composed by many suppliers, the sole manufacture, the sole wholesaler and the sole retailer, the question of business cooperation which can optimize allocation of resources is studied under the random market demand. Using Shapley value method can realize the distribution of interests between enterprises. With the same average cost of suppliers, the interests of the whole supply chain is the same, has nothing to do with the number of suppliers. The more the number of suppliers, the more interests of the suppliers overall distributed, thus the interests of other enterprise can be reduced.