-- Professor of Economics, université Paris 1 - Panthéon-Sorbonne https://jean-sebastien-lenfant-31.webselfsite.net/ Member of PRISM Sorbonne http://www.prism-sorbonne.fr/ Head of M2 Économie et Sciences Humaines / Economics and Humanities, Université Paris 1 - Panthéon-Sorbonne https://formations.pantheonsorbonne.fr/fr/catalogue-des-formations/master-M/master-sciences-economiques-et-sociales-KBUS90N2/master-parcours-epistemologie-et-sciences-humaines-KBUSAX76.html et https://rehpere.org/master/#presentation Editor-in-Chief of Œconomia – History / Methodology / Philosophy https://journals.openedition.org/oeconomia/?lang=en