Does urban density always boost smart productivity? Evidence of an inverted U-shaped relationship in Chinese cities

• Tao Chen ,

  Contributed equally to this work with: Tao Chen

  Roles Conceptualization, Formal analysis, Funding acquisition, Methodology, Project administration, Writing – review & editing

  Affiliation Department of Urban and Rural Planning, School of Architecture and Planning, Yunnan University, Yunnan, China

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• Yike Zhang ,

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

  ¶‡ These authors also contributed equally to this work.

  Affiliation Department of Urban and Rural Planning, School of Architecture and Planning, Yunnan University, Yunnan, China

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• Yaoning Yang ,

  Roles Data curation, Supervision, Validation, Writing – review & editing

  * E-mail: yaoning.yang@ynu.edu.cn

  Affiliation Department of Urban and Rural Planning, School of Architecture and Planning, Yunnan University, Yunnan, China

  https://orcid.org/0000-0002-5266-9078

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• Binbin Wu,

  Roles Investigation, Validation, Visualization

  Affiliation Department of Urban and Rural Planning, School of Architecture and Planning, Yunnan University, Yunnan, China

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• Genyu Xu

  Roles Conceptualization, Data curation, Investigation, Resources, Writing – review & editing

  Affiliation Department of Urban and Rural Planning, School of Architecture and Planning, Yunnan University, Yunnan, China

  https://orcid.org/0000-0002-4761-0688

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