1. Department of Management, Technology and Economics, ETH Zurich, Zurich, Switzerland
2. Swiss National Bank*, Boersenstrasse 15, CH–8001 Zurich, Switzerland
3. Swiss Finance Institute, c/o University of Geneva, 40 blvd. Du Pont d'Arve CH–1211 Geneva 4, Geneva, Switzerland
4. Tokyo Tech World Research Hub Initiative, Institute of Innovative Research, Tokyo Institute of Technology, Tokyo, Japan
5. Institute of Risk Analysis, Prediction and Management (Risks-X), Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology (SUSTech), Shenzhen 518055, People's Republic of China