We are delighted to invite you to participate in the annually organised Quadrilateral Symposium, realised in accordance with the Agreement among the Cracow University of Economics, the University of Messina, University of Kragujevac and Kyiv National University of Trade and Economics. In 2019 the Symposium will be held in Cracow and it will be combined with the 11th International Scientific Conference of the Faculty of Management of the Cracow University of Economics “Knowledge-Economy-Society”.