Then the paper put Tianjin in Beijing-Tianjin-Hebei economic zone to forecast passengers and freights handled at Tianjin airport by the means of linear regression.

• 利用市场负效应的原理,分析了天津机场吞吐量流失的原因;然后用回归预测分析方法,将天津机场纳入京津冀经济圈,预测了天津机场的理论(实际应发生)吞吐量。