Recently,due to the international financial crisis,the decline in domestic economic growth and in the real estate market, the central and local governments have issued a series of policies and measures designed to stimulate the real estate industry.On the one hand,the central government starts stimulating Recently, due to the international financial crisis, the decline in domestic economic growth and in the real estate market, the central and local governments have issued a series of policies and measures designed to stimulate the real estate industry .On the one hand, the central government starts stimulating