The present rejoinder aims at rebutting Carret’s allegation of mistaken interpretation in our work. We expose mathematical errors in Carret’s work, also present in his publications with Assous. Then, and most importantly, we show the unfounded economic consequences that follow from erroneous...

We analyse the work of a neglected French economist, Jules Regnault, whose Calcul des Chances et Philosophie de la Bourse (1863) laid the basis of modern stochastic models of price behaviour and contains an anticipation of econometrics. At a time when short-term speculation was denounced as...

This paper deals with the disciplinary dimension of a very new field called econophysics and shows that despite the fact that econophysics is regularly described as an interdisciplinary approach, it is in fact a multidisciplinary field. Beyond this observation, we note that recent developments...

[fre] Cet article analyse la manière dont le développement des marchés financiers en France au XIXe siècle a donné naissance à la théorie financière quantitative moderne. Nous montrons que le modèle de marche aléatoire symétrique avec une distribution normale, construit en 1863 par...