在总结了各种长期趋势法用于假设开发法的优缺点的基础上，将灰色系统理论的GM（1，1）模型应用于未来楼价的预测，并举例说明灰色预测优于目前常用的长期趋势法。
This paper applies the grey system theories for the forecasting of the future price of buildings to the improvement of the traditional hypothetical development method and raise the precision of valuation .
长期趋势法