Real purchase amount的意思|示意

If there is a difference between the market value and the purchase value of a real estate, which amount is taken into consideration?

如果房产的市场价值和交易价格之间有差异，将采用哪一个？

The farther research discovered that the process of urbanization are also influenced by real estate price fluctuate, house purchase area per people, population amount of the city and so on.

进一步研究发现，城市化进程还受到房地产价格波动、人均购房面积、城市人口数量等因素的影响。