Analysis of Factors Affecting Freight Demand Based on Input-Output Model

<div>Forecast chart of freight volume per unit GDP. The solid line is the actual freight, and the dotted line is the predicted freight. The ordinate is the freight volume per GDP, and the unit is 100 million tons/trillion yuan.</div>

Mathematical Problems in Engineering

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Figure 3

Figure 3: Analysis of Factors Affecting Freight Demand Based on Input-Output Model 