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. Note, . Napd, and . Npd, amplitude and turnover are defined in Appendix B. where MedianP t represents the median price of concluded transactions in period t and f t represents the fundamental value of the asset in period t. It indicates the average deviation of the period median price from the asset intrinsic value over the15 periods

C. Table, Measures of bubble intensity and risk attitudes by session in the short-term bonus treatment Session NAPD NPD Amp. Turnover Nb of trades Total dispersion Average distortion Mean safety index HL SD safety index

C. Table, Measures of bubble intensity and risk attitudes by session in the long-term bonus treatment Session NAPD NPD Amp. Turnover Nb of trades Total dispersion Average distortion Mean safety index HL SD safety index