Abstract
With the arrival of China's high-speed rail era, it greatly shortens the distance of time and space, and speeds up the flow of economic factors. This paper selects the panel data of 11 prefecture-level cities in Heilongjiang Province except the provincial capital from 2014 to 2021, and uses the multi-period difference-difference method to analyze the impact of high-speed railway construction on the urban economic development of Heilongjiang Province. The results show that in the short term, high-speed railway construction can promote the economic development of Heilongjiang Province.
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