Selecting five indexesto stand for the bridge transportation and economy, we construct the economic model by means of the up-to-date Time Serial Analysis. Firstly, to test the stabilization of these indexes with prevalent methods of unit root.

• 选择代表陆桥运输和沿桥经济的五个指标，运用最新的时间序列分析方法，利用经济数据构造和建立经济计量模型。