RETRACTED: Does the history of opening ports and trading influence the long-term business credit environment of cities? Evidence from the Yangtze River Delta region of China

• Haisheng Chen,

  Roles Writing – original draft

  Affiliations College of Economics and Management, Zhejiang A&F University, Hangzhou, China, Zhejiang Provincial Credit Center, Hangzhou, China

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• Songsai Bao,

  Roles Investigation

  Affiliation Taishun County Bureau of Economy, Commerce and Information Technology, Wenzhou, China

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• Manhong Shen ,

  Roles Funding acquisition

  * E-mail: shenmh@zafu.edu.cn (MS); denny828@163.com (DN)

  Affiliations College of Economics and Management, Zhejiang A&F University, Hangzhou, China, Institute of Ecological Civilization, Zhejiang A&F University, Hangzhou, China, Research Academy for Rural Revitalization of Zhejiang Province, Zhejiang A&F University, Hangzhou, China

  https://orcid.org/0000-0002-7820-4850

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• Dingqing Ni

  Roles Supervision

  * E-mail: shenmh@zafu.edu.cn (MS); denny828@163.com (DN)

  Affiliation Wenzhou Pharmaceutical Industry Development Co., Wenzhou, China

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