| In recent years, several official documents, such as the National Twelfth Five-Year Plan and the State Guidance on Construction and Management of Indemnificatory Housing Projects, emphasize that China should put great efforts on promoting public rental housing (hereafter PRH) and gradually turn it into a key component of the indemnificatory housing system. On the one hand, PRH projects do protect and improve people’s livelihood. On the other hand, they cause a series of ecological, economic and social issues, resulting in low sustainability. For example, such issues include high resource and energy consumption, greater financial pressure to local governments and lack of belonging for residents. Therefore, how to solve these problems is essential for the success of China’s PRH projects development. Existing literatures tried to understand the sustainability of PRH projects by focusing a single factor, which is ecology, economy or society. However, the sustainability should be understood and evaluated by multi-factors. Thus, based on the complex ecosystem theory, this research tries to establish a social-economic-ecological complex sustainability system to measure the integrated sustainability of PRH projects. This research focused on following five aspects:1) This study defines the sustainability of PRH projects, which means a development level at which a PRH project can meet the housing needs of the medium-low income families at present, by not influencing the housing needs of their future generations.2) Base on the complex ecosystem theory, the study establishes a sustainable system for PRH projects. Then, it clarifies the inner mechanism of and the coupling relationships among three subsystems of the sustainable system of PRH projects, including "social", "economical" and "ecological" subsystems. Those three subsystems are coupled through material cycle, value flow and information flow.3) On the basis of analyzing the characteristic of the sustainable system of PRH projects,14 indices like employment status, financial status and well-designed, are selected to evaluate the sustainability of PRH projects, applying document analysis method and questionnaire method.4) According to the evaluation system of the sustainability of PRH projects, the weight of each index is determined by Analytical Network Process (hereafter ANP) method. Super Decision (hereafter SD) software and Statistical Product and Service Solutions (hereafter SPSS) software are both applied to further calculate and analyze the weight of each index. Finally, a quantitative evaluation system of the sustainability of PRH projects is established.5) An empirical case study of Daishan Indemnificatory Housing Project (hereafter Daishan Project) in Nanjing city is applied at the end of this research. The sustainable quantitative evaluation model, which was established in previous chapters, was applied. Results show that the integrated sustainability of PRH projects in Daishan Project is rather high, expressing positive effects in energy saving and carbon emissions reduction. The project can provide good living environment, high residential satisfaction and high management operating efficiency, etc. In a few words, Daishan Project has high sustainability in ecological, social and economic fields.The quantitative evaluation system of the sustainable PRH projects, based on the complex ecosystem theory, emphasize its integrated sustainability. It helps to make up the current inadequacy on the PRH field that focused on only one aspect, such as social, economic or ecological aspect. The outcomes of this thesis can promote the development of sustainability-related theory of PRH projects, as well as guide China’s practice of PRH projects. |
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