Authors
Department of Econometrics and Computer Science, Faculty of Economics and Finance, Wrocław University of Economics and Business, Wrocław, Poland
© 2025 Melania Bąk, Marzena Strojek-Filus, Andrzej Bąk, published by Warsaw School of Economics
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.