University of Szczecin
Faculty of Economics and Management
Department of Microeconomics
ul. Mickiewicza 64
71-101 Szczecin
Poland
e-mail: jurij@wneiz.pl
University of Szczecin
Faculty of Economics and Management
Department of Microeconomics
ul. Mickiewicza 64
71-101 Szczecin
Poland
e-mail: jurij@wneiz.pl