SCIENTIFIC BOARD
Artur Nowak-Far – Chair (SGH, Warsaw, Poland), Włodzimierz Anioł (UW, Warsaw, Poland), Piotr Błędowski (SGH, Warsaw, Poland), Joan DeBardeleben (Uniwersytet Carleton, Ottawa, Canada), Lisbeth Maria Fagerström (University of South-Eastern Norway, Kongsberg, Norway; Åbo Akademi University, Vaasa, Finland), Elżbieta Firlit (SGH, Warsaw, Poland), Carlos Flores (University of Valencia, Spain), Anna Frajlich-Zając (University of Columbia, New York, USA), Anastazja Gajda (University of Opole, Opole, Poland; SGH, Warsaw, Poland), Jolanta Gładys-Jakóbik (SGH, Warsaw, Poland), Krzysztof Jasiecki (UW, Warsaw, Poland; SGH, Warsaw, Poland), Violetta Korporowicz (SGH, Warsaw, Poland), Krzysztof Kozłowski (SGH, Warsaw, Poland), Ján Lid'ák (University College Prague, Prague, the Czech Republic; Pavel Jozef Šafárik University in Košice, Košice, Slovakia), Tatjana Muravska (University of Latvia, Riga, Latvia), Joanna Nowicka (University of Cergy-Pontoise, France), Jerzy Oniszczuk (SGH, Warsaw, Poland), Piotr Ostaszewski (SGH, Warsaw, Poland), Ryszard Szarfenberg (UW, Warsaw, Poland), Jerzy Woźnicki (Warsaw University of Technology; Polish Rectors Foundation, Warsaw, Poland)

EDITORIAL BOARD
Andrzej Zybała – Editor-in-Chief (SGH), Andrzej Klimczuk – Editorial Secretary (SGH), Anna Anetta Janowska (SGH), Dorota Konopka (SGH), Krzysztof Księżopolski (SGH), Paweł Kubicki (SGH), Paulina Legutko-Kobus (SGH), Jan Misiuna (SGH), Benedykt Opałka (SGH), Anna Visvizi (SGH)

The journal is reviewed and published in accordance with the rules of publishing ethics, more information on the journal's website: http://szpp.sgh.waw.pl

Statistical editor
Paweł Kaczmarczyk

Language editor
Zofia Wydra

English language proofreading
Agnieszka Mikołajewska

Editorial office address
Kolegium Ekonomiczno-Społeczne Szkoły Głównej Handlowej w Warszawie, ul. Wiśniowa 41, pokój 68, 02-520 Warsaw, Poland