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社会影响评价是交通项目评价的重要内容之一.识别项目利益相关者，分析利益相关者的利益需求，评价项目实施后，核心利益相关者利益需求的满足程度是项目社会影响评价的主要思维范式.然而由于公共项目的利益相关者众多，不同利益相关者的利益存在冲突，导致社会影响评价难以得到确切结论.因此，需要对不同利益相关者的利益诉求区别对待.本文利用契约理论，识别了非经营性交通项目的核心利益相关者，并结合公平目标，从获取信息能力和谈判能力两个维度对非经营性交通项目核心利益相关者进行了分类，在研究核心利益相关者利益诉求的基础上，提出了非经营性交通项目社会影响评价的内容. 

Social Impact Assessment of Non-operational Transportation Projects from Key Stakeholder Perspective

Social impact assessment is an important part of transport project planning.It is the main paradigms of project social impact assessment to identify project stakeholders,analyze stakehdders’ demands and evaluate the satisfaction of stakeholders demand after project implementation.However,because of many stakeholders of public projects,the interest conflict between different stakeholders is commonly existed.It is difficult to get a definitive social impact assessment conclusion.Therefore,the interests of different categories stakeholders should be treated differently.In this paper,the key stakeholders of non-operational transportation projects are identified by the contract theory.Based on the social equity objectives,the non-operational transportation project key stakeholders are classified from two dimensions of the ability in acquiring information and bargaining.Through the analysis on key stakeholders demand,the paper proposes the detailed content of the social impact assessment for the non-operating transport projects.