1. Economics Department, Institute of Economics and Finance, University of Szczecin, 64 Mickiewicza Street, 71-101 Szczecin, Poland
2. Division of Strategic Management, Institute of Management, Faculty of Organization and Management, Lodz University of Technology, 221 Wólczańska Street, 93-005 Lodz, Poland
3. Department of Entrepreneurship and Industrial Policy, Faculty of Management, University of Lodz, 22/26 Matejki Street, 90-237 Lodz, Poland