Research On The Impact Of Investment Return Of Pension Fund Level Of Social Security

Pension Insurance System is to promote social stability and economic health of the important guarantee for the adjustment of its economic structure, foster labor market, safeguard the legitimate rights and interests of workers, promote sustained, rapid and healthy development has an important role. Basic old-age insurance is an important part of social insurance is the core of the social security system. Investment in basic pension insurance fund operational efficiency of the future relationship between the levels of social security expenditure, also affects the quality of life of the elderly after retirement. Therefore, the pension insurance fund operations depend largely on individual account level of the Fund's investment operations.From an economic point of view, the problem is essentially a personal pension and the social problem of inter temporal consumption.? In this paper, the life cycle hypothesis, overlapping generations'model and industrial systems theory as the theoretical basis.?Through the basic old-age insurance fund's actual investment rate of return analysis, summed up the present stage of social pooling funds and individual accounts the Fund's investment service providers. By setting the relevant variables to make a reasonable forecast of 2040 the accumulated fund balance of individual accounts, combined with the determination of the level of social security formula, mathematical model building, the establishment of individual accounts fund investment returns and the regression between the level of social security?equation to quantify the relationship between the two, the conclusion for the individual accounts for each fund investment yield increased by one percentage point, a corresponding increase in the level of social security 0.51 percentage point, and when the individual account fund investment earnings rate of an average of 8.5%-9%, the?level of social security in order to achieve an appropriate limit.?By the conclusion of the study shows, China's pension fund investment at this stage operational efficiency is not satisfactory, lessons conducive to a reasonable international experience, made some basic operational aspects of pension investment in a reasonable suggestion.