Research On The Problems Of Social Security Fund Investment Benefits

The social security has become a member of the community to address the difficulties in work and life of a social security system. National Social Security Fund(NSSF), as the central government focused on important strategic reserve, mainly used to offset the need of Social Security in the future of during the peak period of population aging. Which is the material basis of the social security system and the material to ensure that social protection policies and goals are met, but also one of the important conditions for the social security system to achieve sustainable development; Social security fund (SSF) and benefits security of fund more related to the vital interests of our people.On the basis of welfare economics, portfolio theory, principal-agent theory, paper from the operation status of NSSF, using the data obtained by statistical analysis, comparative analysis and documentation method to analysis the scale of SSF investment, the trends of benefits and investment performance from the year 2005 to 2014.Describe the existence of SSF investment operations since the mechanism is not perfect, portfolio is unreasonable, risk is insufficient and so on, that causes the actual yields rate of SSF investment low relatively and unstable reality. Besides, studying the strategies and performances of SSF investment of US Social Security Trust Fund Model, Singapore Central Provident Fund Model and Chile fund management business operations, learning from foreign experience in some mature of SSF investment operations,such as government regulation, securitization Investment and privatization management. Raises some suggestions to improve the benefits level of the NSSF investment. It should increasing to improve the SSF management system under the premise, enhanced the capital operation, optimized the social its structure, strengthen the risk prevention and control of the recommendations, and complemented others. Thereby increasing the level of return on investment of SSF, which reflects the social connotation, while continuing to meet its economic requirements. Dissertation deepens the theory of social security fund investment, while also promoting the study and discussion of welfare economics, portfolio theory and principal-agent theory to some extent; And explores the establishment of market-oriented investment in the social security system and strengthens its supervision rationalization will not only help to meet the challenges of an aging population, but also help to change the low return on investment of social security funds, to achieve the goal of increasing the value of practice significance.