1. Department of Economics, Management and Statistics University of Milano‐Bicocca Milano Italy
2. Bocconi Institute for Data Science and Analytics (BIDSA) Bocconi University Milano Italy
3. Collegio Carlo Alberto Piazza Vincenzo Arbarello 8, Torino, 10122 Italy
4. Department of Decision Sciences, Bocconi Institute for Data Science and Analytics (BIDSA)/Innocenzo Gasparini Institute for Economic Research (IGIER) Bocconi University Milano Italy