Does the registration system reform reduce the finance sector’s risk spillover effect in China’s stock market—Causal inference based on dual machine learning

• Yuxi Zhang ,

  Roles Conceptualization, Investigation, Methodology, Writing – original draft, Writing – review & editing

  * E-mail: 609547970@qq.com

  Affiliations Beijing Jiaotong University, Beijing, China, Beijing Laboratory of National Economic Security Early-warning Engineering, Beijing Jiaotong university, Beijing, China

  https://orcid.org/0009-0008-4605-1029

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• Weidong Li,

  Roles Conceptualization, Funding acquisition, Methodology, Writing – review & editing

  Affiliations Beijing Jiaotong University, Beijing, China, Beijing Laboratory of National Economic Security Early-warning Engineering, Beijing Jiaotong university, Beijing, China

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• Shijun Dong

  Roles Conceptualization, Writing – review & editing

  Affiliation School of Finance, Southwestern university of Finance and Economics, Chengdu, China

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