Elwira Gross-Gniot is an Associate Professor at the Faculty of Management, University of Warsaw, Poland.Zbigniew Makieła is a Professor of economics and chairman of the Council of the Academic Discipline of International Relations, University of Dąbrowa Górnicza, Poland.Magdalena M. Stuss is an Associate Professor in the Department of Management Theory and Human Capital, Institute of Economics, Finance and Management, Jagiellonian University, Kraków, Poland.Jacek Szołtysek is a Professor of Economic Sciences and the Head of the Department of Social Logistics, University of Economics, Katowice, Poland.Grażyna Trzpiot is a Professor of Economic Sciences and the Head of the Department of Demography and Economics Statistics, University of Economics, Katowice, Poland.