| Housing prices rising has led housing residents increasing,the public put more attention on the housing problem.With the introduction of low-cost housing,affordable housing and a series of housing security measures,The housing conditions of different levels of income residents have been significantly improved.As the main body of the object is difficult to enjoy the protection of the existing,it is easy to produce social discontent.The government has published the document " on accelerating the development of public rental housing guidance" in June 2010,Public rental housing as a solution to the "sandwich layer" housing measures for the first time was put forward.The notice " on the public rental housing and low-rent housing system operation" request running public rental housing and low-rent housing merger from 2014,At this point,public rental room to become the main body of the current affordable housing in our country.the way of housing security in China” rent and sale simultaneously,to rent the main” Become the main way of housing security in China.And now around the public rental housing has entered the stage with the rent.However,part of the urban public rental housing as a result of the rent pricing is too high,they are inadequate capacity to pay,resulting in tenant abandonment,public rental housing vacant,resulting in a huge waste of public resources.Based on the analysis of domestic and foreign relevant data,combined with China’s specific national conditions,This paper analyzes the background of the development and development of public rental housing in Taiyuan from the aspects of local economic growth in Taiyuan,the growth of house price,the growth of disposable income of urban residents,the rise of house price and the disposable income of urban residents,combined with the urban residents of Taiyuan Of the income and expenditure situation,"Taiyuan low-income families of public rental housing affordability" as the research object,the integrated use of rental income and residual income method to evaluate the comprehensive use of rental income ratio and residual income method to evaluate the rental ability of low-income Families in Taiyuan.This paper selects Taiyuan’s low-income families to make an empirical calculation,and evaluates their ability to pay according to different scale families.And then constructs GM(1,1)forecasting model and uses GMS(7.0)software to forecast the ability of payment of public rental housing of low-income households in Taiyuan in the next five years.Finally,the paper gives the relevant policies on how to improve the housing affordability of low-incoming families.It has has a certain reference value to the government introduced the housing security policy and the development of housing planning.This paper research methods and related conclusions,in order to test the security policy implementation effect of our country public rental housing,hoping to provide a policy basis for the further improvement of housing security policy. |