1. TU Dresden, Faculty of Business and Economics, Research Group for Knowledge and Technology Transfer, Dresden, Germany; International Centre for Higher Education Research (INCHER-Kassel), Kassel, Germany; and RKW Rationalisierungs- und Innovationszentrum der Deutschen Wirtschaft e.V., Competence Center – Section ‘Digitalization and Innovation’, Eschborn, Germany.
2. International Centre for Higher Education Research (INCHER-Kassel), Kassel, Germany; and Department of Economics, University of Kassel, Kassel, Germany.