Abstract
This paper selects the data of 12 years of operation of China’s high-speed railways for empirical analysis. It constructs a VAR model between high-speed railway construction and economic development, and introduces two intermediate variables that make railway transportation capacity and human capital. Through the Johansen cointegration relationship test and Granger causality test, this paper can find that there is a long-term equilibrium relationship between high-speed railway construction and economic development. The construction of high-speed railways promotes economic development through the transmission multiplier effect. Finally, forecast the operating mileage of high-speed railways in the next three years. And then put forward corresponding suggestions for the current interactive relationship between high-speed railway and economic development‥
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