1. 1Department of Economics, Faculty of Economics, University of Economics in Prague, Czech Republic Email: jan.cadil@vse.cz
2. 2Regional Studies, Faculty of Economics, University of Economics in Prague, Czech Republic Email: xmirk01@vse.cz
3. 3Department of Economic Statistics, Faculty of Informatics and Statistics, University of Economics in Prague, Czech Republic Email: ludmila.petkovova@vse.cz