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

• Zhao Deng,

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

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

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• Dongmei Xu,

  Roles Conceptualization, Data curation, Investigation, Visualization

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

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• Yutao Zhou,

  Roles Formal analysis, Visualization

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

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• Wei Duan

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

  * E-mail: 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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