1. University of Pécs, MTA-PTE Innovation and Economic Growth Research Group Pécs, Hungary
2. University of Pécs, Faculty of Business and Economics and MTA-PTE Innovation and Economic Growth Research Group, Head of the Department of Management Science, Pécs, Hungary
3. London School of Economics and Political Science, Department of Management, London
4. University of Groningen, Faculty of Economics and Business, Groningen, The Netherlands