一、引言与文献住房不仅是居民衣食住行四大问题之一,与普通居民的日常生活息息相关,同时房地产行业作为一个产业关联度极高以及就业弹性极强的产业,对于经济发展和经济稳定同样具备无可替代的作用,GDP总量中有很大一部分被房地产业增加值所占据,其比重已超过10%,被称为经济发展的风向标。地方政府更是 I. Introduction and Literature Housing is not only one of the four major issues concerning the basic necessities of life of the residents, but also closely related to ordinary people’s daily life. At the same time, the real estate industry as an industry with extremely high degree of industry connection and strong employment elasticity has the same economic development and economic stability Irreplaceable role, a large part of the total GDP is occupied by the real estate added value, the proportion of more than 10%, known as the benchmark for economic development. Local government is even more