First of all, we study the difference of high-speed railway construction to regional economic growth, which is reflected in different provinces (developed and underdeveloped), different distances (within one hour from the provincial capital city, and one hour from the provincial capital city), and draw relevant conclusions. Next, we will study the differences between long-term effects (2019 and beyond) and short-term effects in combination with reviewers' opinions and new data release.<br>
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