Authors
AGH University of Krakow, Department of Applications of Mathematics in Economics, Kraków, Poland
Jagiellonian University, Faculty of Management and Social Communication, Institute of Economics, Finance and Management, Kraków, Poland
© 2026 Henryk Gurgul, Robert Syrek, published by Poznań University of Economics and Business Press
This work is licensed under the Creative Commons Attribution 4.0 License.