Affiliation: | 1. Università di Bergamo, Italy;2. Università Bocconi, Italy;1. School of Economics and Management, Beihang University, Beijing, China;2. National School of Development, Peking University, Beijing, China;1. Centre for Air Transport Management, Martell House, Cranfield University, Bedforshire MK43 0TR, United Kingdom;2. University of Edinburgh Business School, Management Science and Business,Economics Group, Edinburgh EH8 9JS, United Kingdom;3. Statistics Division, Department of Computer and Information Science, Linköping University, 581 83 Linköping, Sweden |