1. Department of Insurance, Wroclaw University of Economics and Business, 53-345 Wroclaw, Poland
2. Department of Finance, Insurance and Accounting, Casimir Pulaski Radom University, 26-600 Radom, Poland
3. Department of Accounting, Cracow University of Economics, 31-510 Cracow, Poland
4. Department of Accounting, University of Gdansk, 80-309 Gdańsk, Poland