Since February, there has been a rapid rise in the transaction of commodity housing in China's tier-one cities. Despite forecasts of a continued downward trend, real estate markets in Beijing, Shanghai, Guangdong and Shenzhen exhibited a sharp rebound, with the total number of transactions rising 40% from the previous year. Adjustments in various real estate policies have led the recent expansions. And local governments are making efforts to ease real estate market regulations in order to secure financial revenue and maintain economic growth. But, the central government is trying to maintain the current regulations.