中文摘要：

广州市商品房的供求具有二元特征：新房更具虚拟资产的投资性质甚至是投机性质，具有向左上的供求趋势线；而二手房更具有使用价值的消费品性质，具有向右上的供求趋势线。新房的垄断供给以及二手房的竞争供给造就了广州市商品房供求的二元特征，并使新房在价格格局中处于主导地位，而二手房处于跟随地位。

英文摘要：

The demand and supply of commercial housing in Guangzhou has dual characteristics. The new house with the left-up supply and demand trend line is investment in a more nature of virtual assets, or even speculative in nature; and second-hand housing with the right-up trend line is more the nature of use value of consumer goods. The reasons of the dual characteristics are the monopoly of the supply of new house, as well as competition in the supply of second-hand housing. It makes new houses in a dominant position in the price pattern, while the second-hand housing is in a following position.