| In the context of Chinese local debt risks, public rental Construction of financial expenditure, government debt is not conducive to the sustainable development of public rental housing. Therefore, it is necessary to study the efficiency of China’s public rental housing investment, in order to improve the effectiveness of the government to integrate social resources, to achieve the maximum utilization of public rental resources.This paper defines the concept and meaning of public rental investment efficiency and investment efficiency evaluation. From the input- output point of view construct containing the construction funds, land supply and land investment opportunity cost input indicators, and subsidy, rent reduction, the rate of return on investment and output indicators, including public housing investment efficiency evaluation index system and expounded on the specific meaning of each index and measurement method. Through the comparison and selection of common evaluation methods, combined with the characteristics of public rental projects, the method of data envelopment analysis is used to evaluate the efficiency of this paper. In Shaanxi Province nine prefecture level city government investment in public housing project for a sample decision making unit,using data envelopment analysis method(DEA) of each decision making unit(DMU)on the efficiency of, analysis of the empirical results, found the non DEA effective city in a certain extent, there is idle or insufficiency of output input. Find out the reasons for the low efficiency of public rental housing investment, including the legal system is not perfect, the investment structure is not perfect, as well as the government’s attention is not high. Proposed the establishment of a unified public rental housing construction andmanagement mechanism, build public rental housing construction funds raising mechanism, formulate reasonable rent customization mechanism, establish effective supervision system introduction of relevant laws and regulations to improve the specific suggestions on the investment efficiency of public rental housing.The research results of this paper provide a decision-making reference for the government to guide the construction of public rental housing more reasonably and effectively. |