Authors
Jan Zwierzchowski
Warsaw School of Economics, Collegium of Economic Analysis, Warsaw, Poland
Tomasz Panek
Warsaw School of Economics, Collegium of Economic Analysis, Warsaw, Poland
© 2022 Jan Zwierzchowski, Tomasz Panek, published by Faculty of Economic Sciences, University of Warsaw
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.