The impact of free trade port construction on regional import and export: Evidence from Hainan

• Zhenyu Zhao,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  Affiliation School of Economics and Management, Beijing Jiaotong University, Beijing, China

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• Zhongliang Guan,

  Roles Software, Supervision, Validation

  Affiliation School of Economics and Management, Beijing Jiaotong University, Beijing, China

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• Zhanliang Liu,

  Roles Resources, Software, Supervision, Validation

  Affiliation School of Economics and Management, Beijing Jiaotong University, Beijing, China

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• Xiang Xie

  Roles Methodology, Software, Supervision

  * E-mail: xxie@bjtu.edu.cn

  Affiliation School of Economics and Management, Beijing Jiaotong University, Beijing, China

  https://orcid.org/0000-0003-0380-3717

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