Extended enterprise information sharing in a supply chain environment based on symbiosis theory

In modern times, the competitions between enterprises are actually the ones between supply chains. Adequate Information sharing is one of the key factors which will highly improve the efficiency of supply chain. The cooperation models of supply chain are modeled and analyzed, and a two-dimensional enterprise symbiosis model is set up to analyze the symbiosis behaviors between enterprises and the symbiosis energy functions of the model to realize that how the enterprises get their competition advantage by supply chain. According to the analysis, the importance of suitable information sharing to supply chain is obvious. Moreover, a two-dimensional enterprise information sharing model is built to express how the information sharing affects the efficiency of supply chain. To different symbiosis models, the enterprises should share different rank information to meet the demand of symbiosis. The article gives a guideline to enterprises in supply chain that how to make information sharing strategy to get a satisfactory works efficiency at a low information sharing risk rank.