1. Center for Advanced Studies in Management, HHL Leipzig Graduate School of Management, 04109 Leipzig, Germany
2. Chair of Production and Logistics, Schumpeter School of Business and Economics, Bergische University Wuppertal, 42119 Wuppertal, Germany
3. Center for Advanced Studies in Management, HHL Leipzig Graduate School of Management, 04109 Leipzig, Germany; and Department of Management Information Science, University of Siegen, 57068 Siegen, Germany