Authors
Michał Bernardelli
SGH Warsaw School of Economics, Warsaw, Poland
Paweł Felis
SGH Warsaw School of Economics, Warsaw, Poland
Marcin Jamroży
SGH Warsaw School of Economics, Warsaw, Poland
Jacek Lipiec
SGH Warsaw School of Economics, Warsaw, Poland
Elżbieta Malinowska-Misiąg
SGH Warsaw School of Economics, Warsaw, Poland
Grzegorz Otczyk
SGH Warsaw School of Economics, Warsaw, Poland