Authors
Andrzej Cieślik
Faculty of Economic Sciences, University of Warsaw, Warsaw, Poland
Jan Jakub Michałek
Faculty of Economic Sciences, University of Warsaw, Warsaw, Poland
Iryna Gauger
Hamburg School of Business Administration, Hamburg, Germany
© 2019 Andrzej Cieślik, Jan Jakub Michałek, Iryna Gauger, published by Faculty of Economic Sciences, University of Warsaw
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.