论城镇住宅市场分层武永祥余翔在研究城镇住宅市场机制、分析住宅供求及均衡情况时，必须进行住宅市场分层，即把住宅市场分割成为许多相互关联、相互作用的子市场。在分割后形成的每个子市场中研究各自的供需作用。这和一般的商品市场研究迥然不同。为什么要对住宅分层？这是 On the urban residential market stratification Wu Yongxiang Yu Xiang in the study of urban housing market mechanism, analysis of supply and demand and balance of housing, the residential market must be stratified, that is, the residential market is divided into many interrelated and interactive sub-markets. In each sub-market formed after the split in the study of their supply and demand role. This is quite different from the general commodity market research. Why should residential stratification? this is