Research on grain production efficiency in China’s main grain producing areas from the perspective of financial support

• Dehua Zhang ,

  Contributed equally to this work with: Dehua Zhang, Haiqing Wang, Sha Lou, Shen Zhong

  Roles Data curation

  Affiliation Institute of Finance, Harbin University of Commerce, Harbin, China

  ⨯
• Haiqing Wang ,

  Contributed equally to this work with: Dehua Zhang, Haiqing Wang, Sha Lou, Shen Zhong

  Roles Software

  Affiliation Institute of Finance, Harbin University of Commerce, Harbin, China

  ⨯
• Sha Lou ,

  Contributed equally to this work with: Dehua Zhang, Haiqing Wang, Sha Lou, Shen Zhong

  Roles Validation

  * E-mail: 102896@hrbcu.edu.cn

  Affiliation Institute of Finance, Harbin University of Commerce, Harbin, China

  https://orcid.org/0000-0001-7031-4601

  ⨯
• Shen Zhong

  Contributed equally to this work with: Dehua Zhang, Haiqing Wang, Sha Lou, Shen Zhong

  Roles Writing – original draft

  Affiliation Institute of Finance, Harbin University of Commerce, Harbin, China

  ⨯