The Correlation Effect between Transportation and Economy in Beijing-Tianjin-Heibei area: An analysis Based on PVAR Model

Based on the annual panel data of Beijing-Tianjin-Hebei area from 1985 to 2018, this paper established a Panel Vector Autoregressive Model, variance decomposition, and impulse response function analyzing linkage effect between transportation regional economy. The conclusions are as follows: integration economic development mutually reinforcing, but results decomposition show that they have different pulling forces, latter is more effectively than former. analysis railways has made greater contributions highways. In summary, there close relationship in Beijing- Tianjin-Hebei region. They promote coordinate with each other, how strengthen them make develop faster, further research needed.