Identifying price bubbles in copper market: Evidence from a GSADF test approach

• Yushan Peng,

  Roles Conceptualization, Data curation, Formal analysis, Investigation

  Affiliation School of Business Administration, Shandong Women’s University, Jinan, China

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• Menglin Ni,

  Roles Methodology, Software, Writing – original draft

  Affiliation School of Business Administration, Shandong Women’s University, Jinan, China

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• Xiaoying Wang

  Roles Supervision, Writing – review & editing

  * E-mail: 30049@sdwu.edu.cn

  Affiliation School of Business Administration, Shandong Women’s University, Jinan, China

  https://orcid.org/0009-0009-8379-0653

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