Institution: | 1.Department of Economics, University of Konstanz, Universit?tsstr. 10, 78457, Konstanz, Germany ;2.Institute of Economics, Leuphana University Lüneburg, Universit?tsallee 1, 21335, Lüneburg, Germany ;3.Faculty of Education and Social Sciences, University of Vechta, Neuer Markt 32, 49377, Vechta, Germany ; |