RT Monograph SR 00 A1 Gollier, Christian T1 Optimal Positive Thinking and Decisions under Risk YR 2004 FD 2004-02 VO 268 T2 IDEI Working Paper PB IDEI Working Paper AV Published LK https://publications.ut-capitole.fr/id/eprint/2613/ UL http://tse-fr.eu/pub/1728