近年来,社会资本已逐渐作为主流参与政府公益性基础设施投资建设。由政府或其授权单位与社会资本即投资建设方签署协议,投资方作为项目业主,全面负责资金筹措、组织项目建设,项目建成后由政府按约定进行回购。这类项目在合同商务谈判结束后,建设实施过程中可能影响投资方收益的主要因素有四方面:融资成本、造价基数、投资强度的控制和资金回笼的进度。作为投资方,无论以何种方式参与项目的建设,项目管理的核心内容无非围绕着影响项目投资收益的关键 In recent years, social capital has gradually become the mainstream to participate in the government public welfare infrastructure investment and construction. The government or its authorized entity shall sign an agreement with the social capital which is the investment constructor. The investor, as the project owner, shall be fully responsible for the fund-raising and construction of the project. After the completion of the project, the government shall make the repurchase according to the agreement. Such projects in the contract business negotiations after the completion of the construction and implementation of the main factors that may affect the return on investors in four areas: financing costs, cost base, the intensity of investment control and the progress of capital withdrawal. As an investor, regardless of the way to participate in the project construction, the core content of project management is nothing more than the key to affect the project investment income