1. Dr. hab., Prof. UJ, IEEF, Institute of Public Affairs, Jagiellonian University, Poland; Institute of Economic and Financial Expertise, Łódź
2. Dr. hab., Prof. UZ, Institute of Economics and Finance, University of Zielona Góra
3. Dr. hab., Prof. UPWR, Wroclaw University of Environmental and Life Sciences
4. Dr., Institute of Economic and Financial Expertise, Łódź