1. Department of Decision Sciences, Bocconi University, 20136 Milan, Italy;
2. Bocconi Institute for Data Science and Analytics (BIDSA), Bocconi University, Milan, Italy 20136;
3. Artificial Intelligence Lab (ARTLAB), Bocconi University, Milan, Italy 20136;
4. Innocenzo Gasparini Institute for Economic Research (IGIER), Bocconi University, Milan, Italy 20136