The spatial spillover effect and its attenuation boundary of urban economy on port efficiency

• Deng Zhao,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Resources, Software, Supervision, Validation, Writing – original draft

  Affiliations School of Public Administration, Yanshan University, Qinhuangdao City, Hebei Province, China, HEKRI of Marine Economy and Coastal Economic Zone, Hebei Normal University of Science and Technology, Qinhuangdao City, Hebei Province, China

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• Xu Dongmei,

  Roles Conceptualization, Data curation, Investigation, Visualization

  Affiliation School of Public Administration, Yanshan University, Qinhuangdao City, Hebei Province, China

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• Zhou Yutao,

  Roles Formal analysis, Visualization

  Affiliation College of Transportation Engineering, Dalian Maritime University, Dalian City, Liaoning Province, China

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• Daun Wei

  Roles Data curation, Funding acquisition, Project administration, Writing – review & editing

  * duanwei106@aliyun.com

  Affiliation College of Transportation Engineering, Dalian Maritime University, Dalian City, Liaoning Province, China

  https://orcid.org/0000-0001-9303-571X

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