"Mon père avait raison" est le titre d'une pièce de Sacha Guitry : "J'ai été comme toi et tu seras comme moi. Mon père avait raison."Research using French data has often found that parents' saving behaviour influences that of their children. This article attempts to explain this phenomenon using data from a unique French survey set up by Delta and TNS-Sofres in 2002. This survey contains information on both preference and saving information for two generations of respondents.Savings preferences of parents and children, concerning risk attitudes and time discounting, are significantly correlated. The correlation coefficient is 0.25, so that the concordance, while significant, is not complete. The analogous correlation between wealth levels i...