期刊名称：Advance Journal of Food Science and Technology
印刷版ISSN：2042-4868
电子版ISSN：2042-4876
出版年度：2015
卷号：8
期号：12
页码：872-877
出版社：MAXWELL Science Publication
摘要：The sandwich crowd is housing property owners the standard by social class, but also to public policy coverage as a standard division policy target groups; Based on public policy coverage as a standard by policy target groups. The sandwich layer groups is the direct cause of low-income groups purchase ability is ceaseless and abate, prime cause is the housing speculation demand extrusion low-income groups owner-occupied consumption demand and housing security public policy without timely coverage of low income group. The perfect sandwich layer housing security of the population in public policy, the key is to do low-end security, that they "guarantee" with public rental; midrange market, that the expansion of the middle-income groups, the use of policy instruments to support them buyers; high-end constraint, that is a combination of market, fiscal, administrative, legal and other means, especially the use of property taxes inhibit excessive speculative demand for housing.
