In order to improve the living standards of residents and protect their housing rights,the Chinese government has been vigorously promoting the construction of affordable housing.However,with the continuous development of housing security,financial pressure of the government is also growing.As a result,attracting social capital through the PPP model has become a trend.As an important form of affordable housing,research on the pricing of public rental housing in PPP mode is given more concerns.Especially after the low-rent housing merged into the public rental housing,security objects of public rental housing further expand,making the pricing more complex.Take the pricing of public rental housing based on the PPP model as research object,the specific research contents and conclusions are as follows:Firstly,the paper reviews both the domestic and foreign research about PPP and public rental housing,then it analyzes and summarizes characteristics of the public rental housing in the PPP model,that is,quasi public good,external product,the duality of security and the market,factors of price are numerous and complex;putting forward the theoretical basis of the study on the price of public rental housing,namely,the theory of balance in supply and demand,the theory of social security and the theory of price regulation;Comparing and analyzing the pricing method of public rental housing both at home and abroad,the paper points out that cost method can attract social capital,but does not consider the market and household income;income method can protect the tenants very well,but it is difficult for it to attract social capital;market method reflects the rental housing market,but does not consider the household affordability.There are advantages and disadvantages in every method,providing reference for the present pricing method.Secondly,through the research,this paper points out that the root of the rent of public rental housing is the incomplete feedback on all taxpayers by the positive effect of its quasi public good;Setting the pricing principle of base rent for public rental housing in PPP mode,namely the indemnificatory principle,sustainable principle and efficient principle;analysing the price formation mechanism of public rental housing from the aspect of price formation parties and the formation process,then establishing the pricing model--the IDW interpolation method based on GIS to determine the base rent.Thirdly,the article reviews the current subsidies of public rental housing,proposing the forms of subsidies in this paper,one is from the aspect of the supply--tax incentives and preferential price,another one is from the aspect of the demand--rent subsidies;introducing the satisfaction function to analyze the satisfaction degree of government and public rental households in the PPP model,and establishing an optimal subsidy model based on the satisfaction of the two parties.Then,this paper discusses the influencing factors of the price of public rental housing,which are policy factors,economic factors,market factors and other factors;pointing out there are four price adjustment principles,namely respecting the fact,fulfilling the agreement,satisfying three parties and the increasing of the household income;Building a specific price adjustment model from the aspect of demand income elasticity and price elasticity of supply.Finally,taking four affordable housing in Nanjing as the background,simulating a public rental housing in PPP mode to verify the accuracy and applicability of the pricing model,the subsidy model and the price adjustment model.Then,putting forward the corresponding policy recommendations,namely,controling public rental preferential policies strictly,establishing the database of public rental housing and rental market,establishing the supervision and prediction system of household income,building a dynamic model of pricing-subsidizing-adjusting-exiting for public rental housing. |