1. Department of Strategy & Policy, National University of Singapore Business School, Singapore 119245, Singapore;
2. Science Policy Research Unit, University of Sussex Business School, Brighton BN1 9SN, United Kingdom;
3. Business Policy and Economics, Indian Institute of Management, Ahmedabad 300058, India;
4. Hoover Institution, Stanford University, Stanford, California 94305;
5. Supply Chain and Operations, Carlson School of Management, University of Minnesota, Minneapolis, Minnesota 55455