Thinking About the Function of Government and Market on Social Security System

Theoretical evolutions to the functions of government and market on external social security system, have gone through three main periods: the period of government's intervention completely, the period of market's adjustment, the period of combination of government functions and market functions. But in our country, the research has been in starting point. In our country, the operations of government functions and market functions, should be in accordance with the value choice of government'equation and efficiency、e-conomy development situations and different social security items.