| In the period of "Twelfth Five Year Planâ€, planning capacity of China’s affordable housing is 36000000 sets. According to this plan, by the end of 2015, the national affordable housing coverage reached about 20%, and city low-income people will get basic coverage at that time.Shanghai has built a so-called “four in one†housing security system in the construction of housing security system. In recent years, security standardiscontinuous adjusted, security coverage is been widening. Government investment in affordable housing area is also increasing. And government investment will be affected by the macroeconomic development and the government’s financial resources. How to control investment to maintain the affordable housing level in the appropriate range is particularly important. Based on this, this paper starts with the factors affecting the affordable housing level analysis, using the method of qualitative analysis and quantitative analysis to analyze the level of affordable housing. The research contents of this paper are as follows:(1) Related theory analysis on affordable housing.(2) Factors influencing the level of housing security. Based on literature retrieval, put forward the factors influencing the level of affordable housing, and sought to identify the important factors influencing the housing security level by using principal component analysis method and sensitivity analysis method.(3) Determination of Shanghai affordable housing level. This reference Mu Huai zhong moderate social security level of calculation model, starting from the most sensitive factor, national economic development level, increase housing security expenditure factor, deduced the calculating model of the level of housing security. According to relevant data, obtain the appropriate interval of Shanghai affordable housing level. And judge affordable housing level in Shanghai.(4) The evaluation and countermeasure of determination of Shanghai affordable housing level.Through the evaluation of affordable housing level, revealing difficulties of housing construction in the development of security in Shanghai. Put forward to countermeasures such as promotion of government supply capacity in low-income housing construction, reasonable regulation of housing market access qualifications for the residents of low-income housing, balance of affordable housing and commercial housing supply and control the population scale in order to reduce the security base etc.. |