Research on the Relationship between Social Security Fund Investment Yield and Social Security Level
Shan Mingxia, Chang Cai

Abstract
This paper defines the methods of how measure social security level. Firstly, based on the contents of social security, the paper calculates the total expenditure of social security fund by years; secondly, processing data within the index system with the method of second exponential smoothing; thirdly, by using SPSS software to study the relationship between investment rate of return of social security and social security level. Empirical results show that there is cubic curve relationship between them.

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