The Supply Of Affordable Housing In The City Trends

Since the1980s, China’s implementation of the planned economy to the market economy in transition, compensation for the use of urban land reform and housing commercialization reform, the end of the planned economy era housing welfare distribution, is China’s housing reform major initiatives. Established market economy and housing allocation system changes, the country’s housing raised new demands and challenges:the commercialization of housing demand will push most of the housing market, relying solely on spontaneous market mechanism can not meet all the residents of the housing needs, how to protect the economic strength to buy no amount of commodity housing in cities fundamental right to housing low-income groups, is currently facing a major issue.In this paper, welfare economics, theory of equitable distribution, market supply and demand theory and other related theories, elaborated with the government on social security attributes effective supply of affordable housing need for affordable housing in our country undertook a review of the development phase and the empirical objects in Nanjing, Nanjing, affordable housing for the development process and development status to analysis and research, qualitative analysis of the supply of affordable housing in Nanjing scale trend. After the paper selected a total of eight years2004-2011Nanjing relevant statistical data, including various types of affordable housing in Nanjing, then the completion of affordable housing in the area and the year of completion of the total area, per capita income, real estate investment, disposable income, housing price and the Engel’s coefficient of7data, using an econometric model of multiple regression, Chow test, gray prediction model GM (1,1) and other methods in Nanjing’s total supply of affordable housing in the scale of change and supply of affordable housing on the scale of structural changes in the time series for quantitative analysis, integrated multi-factor regression model and gray prediction model GM (1,1), the "second five" period (2012-2015) in Nanjing protection predict the scale of housing supply and use Chow parametric stability tests and analysis of affordable housing2004-2011Nanjing structural changes through quantitative comparative empirical research, policy impact and prove the supply of affordable housing was significantly associated.In the qualitative and quantitative analysis, based on the combination of China’s current economic and social development and social institutional factors presented in our affordable housing supply and demand mechanism, the government’s ability to determine the supply of affordable housing construction scale. Meanwhile, the strong policy impact can largely affect the overall supply of affordable housing in changes in the size, should give full play to the policy influence. But also exert influence policy should proceed from reality, combined with the local socio-economic development and the actual demand for affordable housing, affordable housing development of rational policies to promote the construction of affordable housing and healthy development.