Can the establishment of state-level urban agglomeration stimulate enterprise innovation?—Taking Yangtze River Delta and Pearl River Delta as an example

• Kai Zhao ,

  Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Writing – original draft, Writing – review & editing

  * E-mail: kzhao_kai@126.com

  Affiliation School of Economics, Qingdao University, Qingdao, China

  https://orcid.org/0000-0002-0966-4714

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• Huahua Huang,

  Roles Conceptualization, Data curation, Formal analysis, Software, Writing – original draft

  Affiliation School of Statistics, Huaqiao University, Xiamen, China

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• Wanshu Wu

  Roles Methodology, Supervision, Visualization, Writing – review & editing

  Affiliation College of Architecture and Urban Planning, Qingdao University of Technology, Qingdao, China

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