Risk Evaluation of Project Option Based on Probabilistic Influence Diagram

The option evaluation method of investment project influenced by numerous risk factors, in this paper, these risk factors are subdivided into fourteen risk indexes, then use the probabilistic influence diagram method, through model simplifing and probability reasoning, and eventually to identify the key factors that affect the evaluation of project option, it is of important significance in theory and practice to the perfection and promotion of investment projects' option evaluation method.