The government’s economic functions differ at different stages of social development.In the context of deepening the reform of the sys-tem,more state-owned capital will be invested in the public welfare industry and the construction of the public service system will be one of the most important government’s functions in the future.It indicates that the investment of state-owned capital stock will transfer to the areas in national e-conomy and people’s livelihood and public welfare goals.And this transfer is related to the structural adjustment of state-owned enterprises and the path choice of state-owned capital to facilitate public service.As a result,there is no doubt that public-private-partnership will lead to the signif-icant changes in the field of public service.%政府经济职能因社会发展阶段的不同而有不同的表现。在深化体制改革大背景下，国有资本将加大对公益性行业的投入，公共服务体系建设将成为未来我国政府职能的重点，这表明在对国资流量进行方向性调整的同时，未来国资存量投入将更多地向国计民生和公益性目标转移，这将涉及到现有国有企业结构调整和国有资本优化公共服务的路径选择，公私合作制模式无疑是公共服务领域的重大变革。
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