About the Authors

Arkadiusz Piwowar

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing

arkadiusz.piwowar@ue.wroc.pl

Affiliation Faculty of Economics and Finance, Wroclaw University of Economics and Business, Wrocław, Poland

Competing Interests

NO authors have competing interests.