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Multi-Stage Cooperation and Competition Analysis Based on Flexibility in Port Service Supply Chain

A multi-stage cooperation and competition model based on flexibility in port service supply chain consisting of a port enterprise and two service providers (SP) is built, using Stackelberg model and Cournot model. Flexibility in port service supply chain is studied. The influence factors of port enterprise's flexibility strategy and SP's flexibility strategy, relationship of port enterprise's flexibility strategy and SP's flexibility strategy, the impact mechanism of port enterprise's compensation strategy and allocation scheme to SP's flexibility strategy, are analyzed. Conditions on which flexibility efforts under equilibrium with Stackelberg competition are greater than equilibrium with Nash competition are given.