About the Authors
- Steven F. Koch
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Contributed equally to this work with: Steven F. Koch, Naomi Setshegetso
Roles Conceptualization, Data curation, Methodology, Supervision, Validation, Writing – review & editing
* E-mail: steve.koch@up.ac.za
Affiliation Department of Economics, University of Pretoria, Pretoria, Gauteng Province, Republic of South Africa
- Naomi Setshegetso
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Contributed equally to this work with: Steven F. Koch, Naomi Setshegetso
Roles Conceptualization, Data curation, Formal analysis, Investigation, Writing – original draft
Affiliations Department of Economics, University of Pretoria, Pretoria, Gauteng Province, Republic of South Africa, Department of Economics, University of Botswana, Gaborone, South-East District, Republic of Botswana
Competing Interests
The authors have declared that no competing interests exist.