作为人类社会的衣食住行四大基本需求之一,住房是基础的生存性资料;作为准公共物品,住房具有其特殊性质;不能完全地实现商品化的市场运作。政府作为公共物品和服务的提供者,有效地解决中低收入家庭住房难的问题、争取实现“居者有其屋”以维护社会稳定是其重要职责之一。从具体实践来看,住 As one of the four basic necessities of the basic necessities of life in the human society, housing is the basis of survivability information. As a quasi-public goods, housing has its own special characteristics and can not fully realize the commercial operation of the market. As a provider of public goods and services, the government can effectively solve the housing difficulties of middle and low-income families and strive to achieve “home ownership ” in order to maintain social stability is one of its important responsibilities. From a practical point of view, live