Izabela Grabowska is Full Professor of Social Sciences, sociologist and economist in the Department of Economics, Kozminski University, and Director of the Center for Research on Social Change and Human Mobility (CRASH), Poland.Ivanna Kyliushyk is Post-doctoral research fellow at the Kozminski University, the Center for Research on Social Change and Mobility (CRASH), Poland.Emil Chról is a PhD Candidate at University of Warsaw, research assistant at the Center for Research on Social Change and Mobility (CRASH) of Kozminski University, Poland.