Chiappori, Pierre-André <https://www.idref.fr/031614590>, Gandhi, Amit, Salanié, Bernard <https://www.idref.fr/033584133> and Salanié, François <https://www.idref.fr/03504649X>  (2012) From Aggregate Betting Data to Individual Risk Preferences.  TSE Working Paper, n. 13-453, Toulouse