1. West Ukrainian National University,Department of International Economic Relations,Ternopil,Ukraine
2. Wroclaw University of Economics and Business,Department of International Business,Wroclaw,Poland
3. Wroclaw University of Economics and Business,Department of Macroeconomics,Wroclaw,Poland
4. West Ukrainian National University,Department of Taxes and Fiscal Policy,Ternopil,Ukraine
5. Catholic University in Ružomberok,Faculty of Theology, Theological Institute,Spišská Kapitula,Slovakia