For supply chain management, the quantitative value of information will redound to coordination among supply chain members and carrying out the strategy of information sharing. So a three-level supply chain with nonlinear demand process AR(1) is considered and modeled by agent. At the same time, (agent's) architecture, inter-agent interaction, agents' decision-making and the operation process of the supply chain system based agent are discussed in detail. On this basis, the value of information sharing was...