Study on micro-mechanism of the affordable housing community in urban renewal the case of Zunyi city, Guizhou province

Introduction: Affordable housing in China refers to with social security for low and middle income people under the unified planning coordination of government. In process urbanization, construction affordable commercial should be developed parallel, but role real estate market economy, development two is unbalanced, resulting a disparity quantity, large gap quality, unreasonable management, even residential segregation. The China's community huge complex systemic project. This study focuses on series problems relationship between supply demand based only context urban renewal at this stage. Methods: Based existing literature official data, combined field visits research, uses Vensim PLE software build system model converting various types stock into housing, investigate effect policies solving problem housing. Results: research results show that 1) stimulate increase population help promote cycle housing; 2) stimulation policy investment will improve by 33%–64% decrease 29%–58%; 3) optimizing management coverage rate 3%–5% households’ per capita floor area 9%–18% l; 4) comprehensive influence policies, grow healthily, low- middle- improved, reduced, number increase, sustainably healthily. Meaning: recommendations provide references government competent authorities enact or update