About the Authors

Liang Frank Shao

Roles Conceptualization, Data curation, Formal analysis, Methodology, Resources, Software, Writing – review & editing

Affiliation School of Economics, Henan University, Kaifeng, Henan, China

Melanie Krause

Roles Conceptualization, Data curation, Formal analysis, Methodology, Resources, Software, Writing – original draft, Writing – review & editing

melanie.krause@uni-hamburg.de

Affiliation Department of Economics, Hamburg University, Hamburg, Germany

Competing Interests

The authors have declared that no competing interests exist.